RWT
9.5 score
LLM Leaderboard · Proprietary
Claude Mythos/Fable 5 benchmarks, pricing, and LLM comparison.
Compare Claude Mythos/Fable 5 vs GPT, Claude, Gemini, DeepSeek, open-weight, and frontier AI models using public benchmark scores, token pricing, context window, and access details.
Rank #1AskClash overall score: 96.7
$10.0 / $50.0Input and output token price, when published. Context: 1M+.
API/OAuthBilling and access path cached for this model row.
Claude Mythos/Fable 5 benchmark snapshot
AskClash combines public LLM benchmark cells into a weighted percentile score and penalizes missing coverage so narrow rows do not dominate better-measured models.
Overall96.7
Benchmark cells12
Context1M+
CreatorAnthropic
Claude Mythos/Fable 5 public benchmark scores
Cached benchmark values can include HLE, GPQA, SWE-bench, SWE-Pro, SWE-Atlas, Terminal-Bench, MCP Atlas, MMMU-Pro, ARC-AGI-2, Tau2, and model-specific coding or agent scores.
HLE
64.5 score
GPQA
94.5 score
IFEval
80.3 score
SWE-bench
95.5 score
SWE-Pro
80.3 score
Terminal-Bench
88.0 score
OSWorld
85.0 score
CharXiv
93.5 score
MMMU-Pro
92.7 score
Tau2
89.2 score
Claude Mythos/Fable 5 vs other AI models
Use these comparison links to evaluate Claude Mythos/Fable 5 against nearby LLMs by benchmark score, price, context window, and provider.
Claude Mythos/Fable 5 vs Claude Opus 4.8 (Adaptive)Claude Mythos/Fable 5 vs GPT-5.5 xHighClaude Mythos/Fable 5 vs Claude Opus 4.7 (Adaptive)Claude Mythos/Fable 5 vs GPT-5.4 xHighClaude Mythos/Fable 5 vs Gemini 3.5 Flash HighClaude Mythos/Fable 5 vs Kimi K2.7 CodeClaude Mythos/Fable 5 vs Gemini 3.1 ProClaude Mythos/Fable 5 vs Claude Opus 4.6 (Adaptive)
Related AI and tech coverage
Cached AskClash article matches that can provide release, provider, benchmark, pricing, or market context around this model.
Anthropic’s Claude Fable is a version of Mythos the public can access today
Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardrails that block responses in high-risk areas like cybersecurity and biology.
Anthropic releases Claude Fable 5, a "safe" Mythos-class model it says can't be used for cyberattacks, to the public, and Claude Mythos 5 to trusted orgs (Wired)
Techmeme
Anthropic prices both Claude Fable 5 and Mythos 5 at $10 per 1M input and $50 per 1M output tokens, less than half the price of Claude Mythos Preview (David Gewirtz/ZDNET)
Techmeme
Anthropic Splits the AI Frontier in Two: What the Claude Fable 5 and Mythos 5 Launch Means for Crypto, Markets, and Everyone Else
Mythos 5, meanwhile, is the unrestricted version of the same model, available immediately to existing Mythos Preview users — the Project Glasswing cyberdefense coalition — with a "trusted access program" planned for additional cybersecurity organizations and biology researchers. Anthropic says Mythos 5 shattered performance records in drug design and molecular biology, calling it the company's first model to consistently produce novel, compelling scientific hypotheses. In blinded comparisons, An
Last cached leaderboard date: June 9, 2026. This model page is generated from the AskClash LLM Leaderboard cache and linked from the live leaderboard.