ACB
91.4 score
LLM Leaderboard · Proprietary
Claude Fable 5.2 benchmarks — leaderboard rank, pricing, and comparisons.
Claude Fable 5.2 ranks #1 on the AskClash LLM leaderboard with an overall score of 81.6. It scores 59.6 on Terminal-Bench. Compare Claude Fable 5.2 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: 81.6
$8.00 / $40.0Input and output token price, when published. Context: 1M.
Visit websiteVisit the model provider's website.
Claude Fable 5.2 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.
Overall81.6
Benchmark cells9
Context1M
CreatorAnthropic
Claude Fable 5.2 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
74.2 score
SWE-Pro
93.0 score
Terminal-Bench
59.6 score
DeepSWE
74.3 score
GDPval-AA
1831.0 score
Claude Fable 5.2 vs other AI models
Use these comparison links to evaluate Claude Fable 5.2 against nearby LLMs by benchmark score, price, context window, and provider.
Related AI and tech coverage
Cached AskClash article matches that can provide release, provider, benchmark, pricing, or market context around this model.
Claude Fable 5.2 and Mythos 5.2 cement Anthropic's AI lead just before its IPO
Anthropic is releasing Claude Fable 5.2 and Mythos 5.2, its most powerful models to date, in two versions: one freely available and one reserved for verified organizations. The models solve open physics problems, show stronger cybersecurity capabilities, desig
Anthropic Launches Claude Fable 5.2 and Mythos 5.2
Anthropic today introduced its latest models, Claude Fable 5.2 and Claude Mythos 5.2, which have improvements in coding, reasoning, and vision. Anthropic says Fable 5.2 and Mythos 5.2 communicate more clearly than the 5.1 versions, with outputs generated up to
Anthropic releases upgraded versions of Fable, Mythos ahead of IPO
Claude Fable 5.2 outperformed rivals on nearly all benchmarks. On agentic coding, Fable 5.2 scored 69.9% on the FrontierSWE v2 compared to 65.5% by OpenAI's GPT-6 Astra and 61.2% by Google's Gemini 4 Carbon. It also scored higher on benchmarks related to scien
Anthropic says during prerelease testing Mythos 5.2 and Fable 5.2 formalized the proof of Fermat's Last Theorem and solved two open black hole physics problems (Jay Peters/The Verge)
Jay Peters / The Verge : Anthropic says during prerelease testing Mythos 5.2 and Fable 5.2 formalized the proof of Fermat's Last Theorem and solved two open black hole physics problems — Claude Fable 5.2 is designed to take on big technical challenges, and it'
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