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Anthropic

Claude Fable 5.1 (Default Fallback)

ReasoningOpen weightsModels.dev
Intelligence
53.4
Rank 6 of 749 measured models
Coding
81.6
Rank 1 of 298 measured models
Output speed
68.2 t/s
Rank 285 of 410 measured models
Price/1M
$20
Rank 650 of 671 measured models
Context window
1M
Rank 86 of 1216 measured models
Cost per task
$7.63
Rank 197 of 198 measured models

Claude Fable 5.1 (Max, Default Fallback) scores 53.4 on the Artificial Analysis Intelligence Index, ranking 6th of 749 measured models. The closest models on this index are GPT-6 Astra (52.7), Gemini 4 Argon (High) (52.6), and Muse Wonder (Max) (52.4). At $20 per million tokens (3:1 input/output blended price), it is priced close to GPT-6 Astra ($20), more expensive than Gemini 4 Argon (High) ($4) and Muse Wonder (Max) ($8). With an output speed of 68.2 t/s, it is about as fast as GPT-6 Astra (69.3 t/s), slower than Gemini 4 Argon (High) (99.5 t/s) and Muse Wonder (Max) (176 t/s).

Artificial Analysis Indices
Maximum
Intelligence53.4
Rank 6 of 749 measured models
Coding81.6
Rank 1 of 298 measured models
Agentic57.9
Rank 1 of 190 measured models
Reasoning levels
Each point is a reasoning level of this model: more reasoning often raises the score but costs more. Select a point to open that level.
Intelligence Indexmost efficient ↗Cost per task
Capability indexes
Performance in specific industries, measured by Artificial Analysis
Finance & Accounting56.4
Rank 4 of 224 measured models
Strategy & Ops59.7
Rank 3 of 224 measured models
Legal60.5
Rank 4 of 224 measured models
Healthcare & Medical58.0
Rank 3 of 82 measured models
Engineering56.5
Rank 6 of 223 measured models
Economics62.7
Rank 3 of 231 measured models
Cyber Index
Artificial Analysis · v1
Cyber Index25.0%Rank 17 of 21 measured models
Successes
25.0%
Safety blocks
38.4%
Failures
36.6%
Cost per task—
Standard Benchmarks
GPQA Diamond93.7%
Rank 11 of 620 measured models
HLE59.1%
Rank 2 of 669 measured models
SciCode63.1%
Rank 3 of 236 measured models
AA-LCR85.3%
Rank 4 of 580 measured models
Terminal-Bench 2.191.4%
Rank 1 of 245 measured models
Terminal-Bench v452.0%
Rank 15 of 223 measured models
τ-Bench Banking47.2%
Rank 10 of 211 measured models
Additional benchmarks13
Design Arena · 3d67.7%
Design Arena · Asciiart65.0%
Design Arena · Codecategories59.3%
Design Arena · Dataviz61.8%
Design Arena · Fullstack57.2%
Design Arena · Gamedev65.6%
Design Arena · Godotgamedev60.7%
Design Arena · Mobileapps56.3%
Design Arena · Python Pptxslides62.6%
Design Arena · Svg56.4%
Design Arena · Uicomponent59.6%
Design Arena · Webapps56.1%
Design Arena · Website56.3%
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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