Flagship effort caps

Improved

  • Effort is capped at medium on Claude Opus 5.5, GPT-6 Sol and Sol Pro to keep costs down

Arrivals stays

Improved

  • The arrivals board now stays on the home screen
  • Picking a row switches the model and the board stays in place

Arrivals

New

  • The home card becomes an arrivals board for Claude Opus 5.5 and GPT-6 Sol
  • Pick a row on the board to switch to that model

New flagships

New

  • Claude Opus 5.5 and GPT-6 Sol join the main model list
  • Grok 4.7 takes the xAI seat; GPT-6 Luna, MiMo V2.6 and DeepSeek V4.1 Flash arrive
  • Command A+, Fugu Max and Ultra v2, Ember-1, Qwen3.8 Omni Flash, Ling VL and Solar Mini 4
  • Space Bunny Alpha joins the free models

Fixed

  • Mercury 2.5 runs on the released model instead of the withdrawn preview
  • Conversations started on Opus 4.8 Fast keep working on Opus 4.8

Effort, delivered

Fixed

  • Your effort level now reaches the model when code execution is switched on
  • Top effort levels are no longer quietly lowered on models that run code

The pair

New

  • The home card now presents Claude Fable 5.1 and GPT-6 Astra together

Improved

  • Effort is capped at medium on the two flagship models to keep runs affordable
  • The effort dial shows which levels a model will actually use

Astra

New

  • GPT-6 Astra and Astra Pro join the roster; Astra takes the OpenAI seat in the picker
  • Ling 3.0 Flash Sante, a health-focused model, joins the free tier

Fixed

  • Qwen3.8 Max follows its upstream snapshot rename
  • Two MiniMax free routes withdrawn upstream are locked, not removed

Tuned

New

  • The Fable 5.1 notice now names your current model and carries the effort dial

Improved

  • Effort defaults to medium; any level you chose is kept
  • Usage shows four decimals below ten cents

Findable

New

  • Every release now has its own page, for example /changelog/v15-413
  • The home page describes the app properly to visitors who are not signed in

Improved

  • Privacy and Terms live at one address; the old links land on the right section
  • Docs pages carry their own titles, headings and share previews

Fable 5.1 takes over

Models

  • Claude Fable 5 is retired in favour of 5.1; older chats still replay on it

New

  • A short Fable 5.1 note on the home screen, dismissible

Fable 5.1 and a quieter memory

Models

  • Added Claude Fable 5.1, now first in the picker
  • Added Muse Spark 1.3, Gemini 3.8 Flash, Mercury 2.5, Hy4 Preview and Granite 4.2
  • KAT-Coder Air went offline upstream; its row stays for older conversations

Improved

  • Memory now works quietly instead of announcing itself
  • Spend on OpenRouter models is now booked at the exact amount OpenRouter charged

Fixed

  • Conversations with memory and web search on used far more tokens than they needed to

Code execution everywhere

New

  • Code execution now works on nearly every model, not only Claude

Search everywhere it works

Fixed

  • Web search was greyed out on seventeen models that support it, including GPT-5.6 Sol and the Sonar search models
  • Code execution now shows correctly on older Opus 4.8 conversations

One reasoning control

Improved

  • Adaptive thinking is retired, so Effort is now the single reasoning control

Fixed

  • Effort above High was quietly capped on Claude if Adaptive thinking was off

Effort on every model

Improved

  • Reasoning effort can now be set on almost every model, not just Claude
  • Code execution is available on Claude Haiku 4.5

Fixed

  • Your effort choice was ignored outside Claude and every reply ran at high

Steadier under load

Fixed

  • Fixed the app dropping out and asking you to sign in again during a busy session
  • Memory is read less often, so busy conversations stay responsive

Memory writes

Fixed

  • Fixed a reply vanishing after the assistant saved something to memory
  • Saving to memory is much faster

Memory everywhere

New

  • Memory now works on every model, not only Claude

Also

  • The smallest models can read your saved facts but not add to them

Writing tools

Fixed

  • Fixed the grammar and prompt-improvement tools returning no result

Fairer limits

Improved

  • Free models now have fair-use limits
  • Shared pages open faster and large attachments start arriving sooner

Fixed

  • Fixed attachments on shared pages showing placeholder text
  • Fixed image generation stopping early on longer batches

Security

  • Routine hardening across sign-in and shared links

Flagships up front

Models

  • Model picker now leads with Claude Fable 5, Grok 4.6, GLM 5.3, Gemini 3.7 Flash and Qwen3.8-Max
  • Previous versions remain under More models; a saved older model stays selected

Code execution and roster updates

Improved

  • All Claude models now run through OpenRouter
  • Code execution runs in a sandboxed Linux shell; Python is available, internet is not

Models

  • Claude Fable 5 is now unlocked and selectable
  • Devstral 2 is back online at its provider
  • Added MiniMax M3 and M2.7 (free; M3 with 1M context), Ling 3.0 Flash Fin (free), GLM 5.3 Flash and Qwen3.8 Flash
  • Ox Alpha and GPT-OSS 20B went offline upstream; their rows remain for older conversations

Fixed

  • Fixed code execution failing with a credit error

Also

  • Files created by code runs are temporarily not attached; printed output still shows in full

Eleven more models

Models

  • Added free models Ox Alpha (1M context, vision, tools), Dots3 Note Preview (vision, 512K) and LFM2.5
  • Added Muse Spark 1.2 Contributor, Muse Glimmer 30B, DeepSeek V4 Flash Vision and Solar Pro 4
  • Added Qwen3.8 27B, the Qwen3.8 flagship, ByteDance Seed 2.1 Turbo and Seed 2.0 Code

Fixed

  • Enabled web search on Gemini 3.7 Flash, Grok 4.6, Sakana Namazu and Qwen3.8 Max

Rendering and search fixes

Fixed

  • Fixed reply text rendering twice around parentheses and dashes

Improved

  • Web search now works on every Claude model

Dark follows your system

New

  • The app follows your system dark mode until you pick a theme yourself

Models

  • Added Grok 4.6, Gemini 3.7 Flash, GLM 5.3, Qwen3.8 Max and Sakana Namazu; Muse Spark and DeepSeek V4 Pro moved to latest releases

Improved

  • Claude models now run through OpenRouter with the rest of the roster

Fixed

  • DeepSeek V4 Flash and V4 Pro now bill at their catalogue rates
  • Devstral 2 was removed by its provider; its row remains for older conversations

Model availability

New

  • Home page now offers free models when paid models are unavailable

Fixed

  • Replaced Ling 3.0 Flash with Nemotron 3.5 Lightning (free, 1M context)

Model picker dropdown

Fixed

  • Model picker opens as a compact dropdown and no longer overlaps the header

Claude is back

Models

  • Claude Opus 5, Opus 4.6, Sonnet 5 and Haiku 4.5 are available again

Reliability and accessibility

New

  • Installable as an app from a phone home screen or the browser

Fixed

  • Fixed duplicate sends from a fast double Enter
  • Fixed files from one chat overwriting another when switching quickly
  • Fixed Stop corrupting the saved partial reply
  • Fixed the composer sitting behind the browser toolbar on phones

Improved

  • Exported transcripts now name every model in the roster
  • Improved keyboard and screen-reader support across chats, dialogs and the composer

Stone theme

New

  • New Stone theme replaces Glacier; Glacier users are moved over automatically

Improved

  • Restyled the See what’s new button; the changelog back link returns to the page you came from

Documentation

New

  • Nine documentation pages are now available, linked from the sidebar and account menus

Improved

  • Tightened the Settings panes and corrected an outdated theme count

Gray default theme

New

  • Gray is now the default theme; a theme you pick yourself still sticks

Improved

  • See what’s new button on Gray now matches Paper’s quieter ink style

Fixed

  • Fixed a white flash on page load in the dark theme

Sitewide announcement strip

New

  • Announcement strip now appears on every page, themed to match each palette
  • Privacy, Terms and changelog links moved into the strip, replacing the footer and home cards
  • LATER hides the strip for this visit; NEVER keeps it hidden until the next release

Improved

  • Home particle field is off by default; enable it from the panel rail or Settings
  • Shared conversation pages no longer show the strip

Fixed

  • Fixed touch targets for the strip’s controls on phones and tablets

Theme lineup and contrast

Improved

  • Theme family settles at four: Paper, Gray, Glacier and Slate
  • Paper restored to its exact source palette
  • Re-measured contrast across all four themes and fixed failing pairs

Fixed

  • Fixed unreadable hover states on the strip’s LATER and NEVER buttons in light themes

Answer formatting

Improved

  • Answers now render with structured headings, links, inline code and quotes

Fixed

  • Bold text no longer appears darker than headings
  • Fixed headings falling back to body style on shared and read-only pages

Accurate usage figures

Fixed

  • Fixed the Messages figure counting billable actions instead of messages sent

Improved

  • Messages is now computed from stored records and counts only messages you sent
  • Each headline figure states the definition it was measured under

Also

  • Token and spend figures are unchanged

Chats name themselves

New

  • Chats are now titled from their opening exchange; Arabic prompts get Arabic titles

Also

  • Naming runs on a small fast model and doesn’t count as a message

Announcement banner and default theme

New

  • Announcement banner at the top of the app, dismissible per visit or permanently in Settings
  • Paper is now the default theme; existing accounts move over once

Improved

  • Banner renders consistently on every theme; on phones it truncates and dismiss opens on tap

Fixed

  • Fixed banner height and a dismiss control shown when signed out

Sign-in refinements

Improved

  • Redesigned sign-in with a single-line email field and unified copy

Fixed

  • Fixed page zoom on iPhone when focusing the email field

Particle controls

New

  • Home particles can be turned off, from the home page or in Settings

Improved

  • Restyled home particles to a finer, calmer look with distinct button icons

Home page particle field

New

  • Interactive particle field on the home page, responding to mouse movement and clicks
  • Glass message box with a placeholder drawn from the particle field on hover

Improved

  • Home animation pauses when the tab is hidden or while typing
  • Deepened six themes: Sora, Glacier, Warm, Paper, Night and Ink
  • Simplified the docs shortcuts on the home page to two rows

Fixed

  • Fixed the model list running off screen and faint stars on night themes

Translate and settings redesign

New

  • Translate drafts to English, Arabic, Spanish, French or Italian from the composer
  • A + menu on the composer gathers starter prompts, Improve prompt, grammar and translate tools
  • Copy button on your own messages
  • New themes: Paper, Ink, Mist and Sora

Improved

  • Settings redesigned on desktop; phones get full per-section settings
  • Fix grammar sticks to correcting; grammar and Translate run on a faster model

Fixed

  • Fixed mid-stream chat deletion and low-contrast colours on dimmer themes

Models

  • Kimi K3 is the default for new chats, with web search on from the start
  • DeepSeek V4 Flash added to the main model list

Also

  • Retired the Sky, Sage, Void, Hush and Dark themes; existing users migrate automatically

Theme readability

Improved

  • Labels, toggles and gradient text retuned for readability on Glacier and Hush
  • Focus outlines, text selection and scrollbars now follow the active theme

Fixed

  • Fixed unreadable code in research traces on Night and Void
  • Fixed faint error messages and dim secondary text on the dark themes
  • Dialogs on Night and Void darken the page behind them again

Every theme redrawn

Improved

  • All nine themes rebuilt so each is visually distinct and purpose-built
  • Glacier is now deep violet; Hush is dimmer and cooler
  • Theme buttons describe each theme on hover

Fixed

  • Fixed faint delete and warning colours on the Dark theme
  • File drop zone now has its own background in every theme

New themes and instant loads

New

  • Two light themes, Sage and Hush
  • Privacy Policy and Terms rewritten in plain language on a single page

Improved

  • Chats, shared conversations and community threads now open instantly
  • Code execution keeps its sandbox for the whole conversation; files and packages persist
  • Redesigned Changelog, Privacy and Terms, and Community around a pinned contents index
  • Clearer headings and more readable reply text

Fixed

  • Fixed code execution failing when web search ran in the same turn
  • The assistant no longer contradicts its own earlier work in a conversation

Also

  • Collapsed sidebar adds quick links to Settings, Community, Changelog and legal pages

Structured reasoning traces, stream recovery

New

  • Reasoning traces now stream in titled sections and collapse into an expandable outline

Improved

  • Improved syntax highlighting and a redesigned artifact card with live write status
  • Dropped connections now retry automatically
  • Retuned code execution and web search across frontier models
  • Cleaner sign-in with inline errors and code entry

Fixed

  • Stopped responses keep all streamed content, and Continue resumes from it
  • Extended thinking now displays on Claude Opus 5
  • Fixed the free Poolside coder route; saved conversations work again

Models

  • Added Qwen3.7 Flash (1M context, low cost)
  • Added GPT-5.6 Terra Pro and Sol Pro alongside Luna Pro
  • Gemini 3.5 Flash Lite replaces the 3.1 tier

Voice input, seven themes, 100 templates

New

  • Voice input in English and Arabic (Egyptian, Syrian and Gulf variants)
  • Transcripts are cleaned up for review before sending; nothing sends automatically
  • Grammar button fixes spelling, punctuation and grammar without changing meaning
  • Seven themes, switchable from Settings, the artifact panel and shared chats
  • Mic has a language switch; Ctrl+Shift+M starts listening and Esc stops

Improved

  • Template library rewritten and expanded from 43 to 100
  • Better contrast on every theme
  • Redrawn sidebar with grouped navigation
  • Voice capture no longer drops the last phrase

Models

  • Kimi K3 moved to the top of the model picker
  • Every image model now edits attachments
  • Image batch generation in sets of 1, 2, 4 or 10

Improve Prompt, six new models

New

  • Improve Prompt wand rewrites a rough prompt in any language and returns it for editing

Improved

  • Redrawn composer and a larger, more readable reasoning trace
  • Sending scrolls straight to the reply
  • Templates reorganized into scrollable categories, opened from the lightbulb

Fixed

  • Long conversations no longer drop replies on large contexts
  • Code view wraps long lines
  • Usage meter shows the exact enforced limit

Models

  • Added Inkling, Thinking Machines’ debut model
  • Added Kimi K3, GPT-5.6 Sol, GLM 5.2, MiniMax M3 and KAT-Coder Air
  • Free tier refreshed with Tencent Hy3, Nemotron 3 Ultra (1M context) and GPT-OSS 20B; retired routes replaced

25 models, image editing, Fusion

New

  • Edit generated images by asking in chat
  • OpenRouter Fusion queries several models and blends the strongest parts
  • Global Radio: live stations on a spinning globe
  • One-tap starter prompts on home, each pinned to its best model

Improved

  • Faster model switching and a tidier mobile chat layout

Models

  • Added 25 models across reasoning, coding, vision and web research, several free

Also

  • Assorted small fixes throughout

Coding and reasoning models, security pass

Security

  • Hardened file downloads and shared-link previews
  • Broader new-location sign-in alerting
  • More accurate usage limits

Models

  • Added Kimi K2 Thinking, Codestral and Devstral 2 for multi-step coding and reasoning

Per-chat links, reliability fixes

New

  • Every conversation has its own URL that can be bookmarked and shared

Fixed

  • Replies that hit the length limit say so and can continue
  • Memory works reliably across Claude models
  • Stopping a response cancels it cleanly
  • Image and PDF uploads reach more models
  • Fixed code-viewer stalls on large files and wrong model labels on shared conversations
  • Steadier mobile layout and quieter theming on legal and changelog pages

Security

  • Security and reliability hardening across the app

GPT-5.6, Grok 4.5, doubled limit

Improved

  • Monthly limit doubled to $10
  • Web search and extended thinking are off by default for new chats
  • Instant usage checks
  • Code viewer and phone files-panel refinements

Fixed

  • Fixed web search on models where it had stopped working

Models

  • Added the GPT-5.6 family: Sol, Terra, Luna
  • Added Grok 4.5, Gemini 3.1 Pro, Mistral Medium 3.5, Hunyuan 3, Laguna XS 2.1 and free North Mini Code
  • Free models available after the monthly cap

Stats, handoffs, file viewer

New

  • Summarize any conversation into a shareable HANDOFF.md brief
  • Active Users stat on the platform card

Improved

  • Usage and platform stats load instantly
  • Files panel redesigned: line numbers, markdown previews and large-file support

Sonnet 4.6, image generation, page previews

New

  • Generate images inside a chat
  • Web pages built by models appear as previewable files, openable in the browser

Improved

  • Attachments are saved with the chat and included when shared
  • Conversation files easier to find in the files panel
  • Dark-mode and sign-in refinements

Models

  • Added Claude Sonnet 4.6
  • Wider model lineup, several free
  • Web search on more models, with sources in answers

Also

  • Reliability and polish fixes throughout

HTML preview and model picker

Improved

  • HTML preview matches real browser rendering, including interactivity and animations
  • Artifacts panel on all screen sizes and shared chat links; auto-opens on phones during streaming
  • Model dropdown rebuilt: Opus 4.7, Sonnet 4.5, Gemini 3.1 Pro, GPT-5.5 and Grok 4.3, with more in a flyout
  • Research mode moved into the model dropdown
  • Empty chat screen simplified to just the input bar
  • Files being written show a shimmer on their card

Community launch, Qwen 3-Max

New

  • Community: share threads, comment and follow discussions from the sidebar
  • Skills, attachable knowledge libraries, rolling out soon

Improved

  • Raised AI credit allowances across the local model roster

Models

  • Added Qwen 3-Max for multilingual reasoning and math
  • Cross-conversation memory now limited to Opus 4.7 and Sonnet 4.5

Web search on by default

Improved

  • Web search on by default for Opus 4.7, Sonnet 4.5, GPT-5.5 and GLM-4.6, with cited sources