- Who
- Artificial Analysis
- What
- reported benchmark results Claude Fable 5.2 leading VIALS-AA in scientific visual reasoning and making more tool calls than other Anthropic models
- When
- Quote
Claude Fable 5.2 leads scientific visual reasoning benchmark VIALS-AA; it makes more tool calls than any other Anthropic model, unlike OpenAI models which make fewer as they get smarter
What happened
Claude Fable 5.2 leads scientific visual reasoning benchmark VIALS-AA; it makes more tool calls than any other Anthropic model, unlike OpenAI models, which make fewer as they get smarter VIALS-AA is our implementation of @joinHandshakeAI’s VIALS benchmark for visual reasoning in
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See the full storyAnthropic Releases Claude Fable 5.2 and Mythos 5.2 with Lower API PricesClaude Fable 5.2 leads scientific visual reasoning benchmark VIALS-AA; it makes more tool calls than any other Anthropic model, unlike OpenAI models which make fewer as they get smarter
VIALS-AA is our implementation of @joinHandshakeAI’s VIALS benchmark for visual reasoning in t.co/YYir6yVBSp
The story so far
Anthropic released Claude Fable 5.2 and Claude Mythos 5.2, lowering API prices to $8 per million input tokens and $40 per million output tokens, from $10 and $50. Anthropic says both models improve coding, reasoning, and vision, and that Fable produces responses faster than version 5.1. Fable is available to paid users with safeguards for risky cybersecurity and biology tasks; Mythos is limited to organizations approved through Anthropic’s verification programs. The launch reports cite strong benchmark results, including Fable’s first-place score on Artificial Analysis’ Intelligence Index v5 at its highest compute tier. Those figures come from the named benchmark evaluations; Anthropic’s prerelease examples also include software migrations, electronic devices, and physics problems. TechCrunch reports that an optional faster serving mode costs twice as much, while the lower API prices apply to standard use.
How the story developed · 7
View full event- 11/10 11:50 (UTC+8)
Claude Fable 5.2 Leads VIALS-AA Scientific Visual Reasoning Benchmark This report
- 11/10 05:37 (UTC+8)Anthropic’s Claude Fable 5.2 and Mythos 5.2 Reclaim the AI Performance LeadThe Decoder
- 11/10 04:25 (UTC+8)AWS Announces Claude Fable 5.2 and Mythos 5.2 AvailabilityAWS Machine Learning Blog
- 11/10 04:01 (UTC+8)Anthropic Releases Mythos 5.2 and Fable 5.2 Amid RSI ConcernsTechCrunch · AI
- 11/10 03:48 (UTC+8)Anthropic Introduces Claude Fable 5.2 and Claude Mythos 5.2Boris Cherny · X
- 11/10 03:47 (UTC+8)Claude Fable 5.2 Reaches Perplexity Computer and SearchPerplexity · X
- 11/10 03:47 (UTC+8)Artificial Analysis Reports Claude Fable 5.2 Leads Its Intelligence IndexArtificial Analysis · X