Claude Fable 5.1
Is Claude Fable 5.1 out yet?
No
3 days till release
4 guesses
Anticipated successor to Claude Fable 5 — the publicly available counterpart to the rumored Claude Mythos 5.1 / Mythos 6. Unconfirmed by Anthropic.
Provider watch
Claude frontier, reasoning, and coding models.
Everything we're tracking from Anthropic, with verified launches and alerts when something ships.
Tracking 9 models · 7 shipped · 2 waiting · 16 in archive
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Models
Is Claude Fable 5.1 out yet?
No
3 days till release
4 guesses
Anticipated successor to Claude Fable 5 — the publicly available counterpart to the rumored Claude Mythos 5.1 / Mythos 6. Unconfirmed by Anthropic.
Is Claude Mythos 5.1 out yet?
No
Today
3 guesses
Rumored more-capable successor to Claude Mythos 5. Per an internal-portal note (June 22) and AI observer Andrew Curran, Anthropic reportedly finished training it ~9 days after the export-control suspension; may ship as Mythos 5.1 or Mythos 6, or stay internal to accelerate self-improvement. Unconfirmed by Anthropic.
Is Claude Fable 5 out yet?
Yes
Released Jul 1, 2026
Claude Fable 5 is now publicly available after its suspension in June 2026 was lifted. The model returns to public access following a reassessment of national security considerations.
Is Claude Haiku 4.5 out yet?
Yes
Released Oct 15, 2025
The fast, low-cost Haiku tier of the Claude 4.5 generation.
Is Claude Mythos 5 out yet?
Yes
Released Jul 1, 2026
Watching for Anthropic to restore the bleeding edge Mythos model.
Is Claude Opus 4.8 out yet?
Yes
Released May 28, 2026
The current flagship Claude Opus, leading on coding and agentic tasks.
Is Claude Opus 5 out yet?
Yes
Released Jul 24, 2026
Claude Opus 5 is Anthropic's latest language model, now publicly released. It is the newest entry in the company's Opus line of Claude models.
Is Claude Sonnet 4.6 out yet?
Yes
Released Feb 17, 2026
The current balanced Claude Sonnet for high-volume coding and chat.
Is Claude Sonnet 5 out yet?
Yes
Released Jun 30, 2026
Claude Sonnet 5 is Anthropic's most agentic Sonnet model, capable of planning, using tools such as browsers and terminals, and running autonomously at a level approaching Opus 4.8 at lower cost. It improves over Sonnet 4.6 in reasoning, tool use, coding, and knowledge work, shows fewer undesirable safety behaviors, and is available across all Claude plans as the default for Free and Pro, with introductory pricing of $2 per million input tokens and $10 per million output tokens through August 31, 2026.
Previous models
Older and superseded Anthropic models, kept for history and comparisons. Not on the waiting board.
Is Claude Opus 4.7 out yet?
Yes
Released Apr 14, 2026
A capability and efficiency step up for the Opus line.
Is Claude Opus 4.6 out yet?
Yes
Released Feb 4, 2026
A frontier Opus update improving long-horizon agentic work.
Is Claude Opus 4.5 out yet?
Yes
Released Nov 24, 2025
A major Opus refresh centered on agentic coding, tool use, and reliability.
Is Claude Sonnet 4.5 out yet?
Yes
Released Sep 29, 2025
A strong Sonnet upgrade for coding and everyday high-volume use.
Is Claude Opus 4.1 out yet?
Yes
Released Aug 5, 2025
An incremental Opus 4 upgrade with stronger coding and agentic reasoning.
Is Claude Opus 4 out yet?
Yes
Released May 22, 2025
The flagship of the Claude 4 family, focused on coding and long agentic tasks.
Is Claude Sonnet 4 out yet?
Yes
Released May 22, 2025
The balanced Claude 4 model for everyday high-volume use.
Is Claude 3.7 Sonnet out yet?
Yes
Released Feb 24, 2025
Anthropic's first hybrid reasoning model with extended thinking.
Is Claude 3.5 Haiku out yet?
Yes
Released Nov 4, 2024
A fast, low-cost model matching prior mid-tier quality.
Is Claude 3.5 Sonnet out yet?
Yes
Released Jun 20, 2024
A major capability jump, especially in coding and agentic tasks.
Is Claude 3 Haiku out yet?
Yes
Released Mar 13, 2024
The fastest, most compact Claude 3 model.
Is Claude 3 Opus out yet?
Yes
Released Mar 4, 2024
The most capable Claude 3 model at launch.
Is Claude 3 Sonnet out yet?
Yes
Released Mar 4, 2024
The balanced mid-tier model of the Claude 3 family.
Is Claude 2.1 out yet?
Yes
Released Nov 21, 2023
Claude 2 with a 200K context window and reduced hallucination.
Is Claude 2 out yet?
Yes
Released Jul 11, 2023
A stronger Claude with a 100K context window.
Is Claude 1 out yet?
Yes
Released Mar 14, 2023
Anthropic's first publicly available Claude assistant.