OutYet.ai
AnthropicClaude Mythos 5

Is Claude Mythos 5 out yet?

Yes.

Available
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About Claude Mythos 5

Watching for Anthropic to restore the bleeding edge Mythos model.

How we confirmed it

Released via the API

July 1, 2026 at 12:00 PM UTC

An administrator marked this model available (silently).

Open detection source →

Release timeline

  1. 2026-06-12 Official announcement or source
  2. 2026-07-01T21:07:35.105Z First official availability observed
  3. 2026-07-01T21:07:35.105Z Availability confirmed after the second check

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Benchmarks

Coding#1

Claude Mythos 5 · via BenchLM.ai · captured Aug 8, 2026 · source

79.85

Agentic#2

Claude Mythos 5 · via BenchLM.ai · captured Aug 8, 2026 · source

75.59

MultimodalGrounded#3

Claude Mythos 5 · via BenchLM.ai · captured Jul 17, 2026 · source

92.8

Multilingual#2

Claude Mythos 5 · via BenchLM.ai · captured Jul 17, 2026 · source

100

InstructionFollowing#16

Claude Mythos 5 · via BenchLM.ai · captured Jul 17, 2026 · source

86.3

ExploitBench

Claude Mythos Preview · via Epoch AI · captured Aug 8, 2026 · source

70.6

Sourced metrics mirrored with attribution - not community sentiment.

Data from BenchLM.ai.

Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).

Vibe rating

How this model actually feels to use, rated by the people here.

10.0/ 101 rating

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Model Pulse

How is this model behaving today? One check-in per person per day: the running record of “did they nerf it”. Resets at midnight UTC.

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Community consensus

An AI summary of the public comments here. Not a sourced fact.

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Compare Claude Mythos 5 with another model →

Also waiting on: Gemini 3.5 Pro, Claude Fable 5.1, Claude Mythos 5.1, GLM-6

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