Back

Anthropic

Claude Fable 5 (Max, Opus 4.8 Fallback)

ReasoningClosed weightsModels.dev
Intelligence
49.6
Rank 21 of 744 measured models
Coding
76.5
Rank 15 of 298 measured models
Output speed
63.8 t/s
Rank 269 of 403 measured models
Price/1M
$20
Rank 638 of 659 measured models
Context window
1M
Rank 84 of 1199 measured models
Cost per task
$8.75
Rank 193 of 193 measured models

Claude Fable 5 (Max, Opus 4.8 Fallback) scores 49.6 on the Artificial Analysis Intelligence Index, ranking 21st of 744 measured models. The closest models on this index are Claude Opus 5 (50.8), Claude Fable 5 (batch) (49.6), and Muse Spark 1.3 (48.1). At $20 per million tokens (3:1 input/output blended price), it is more expensive than Claude Opus 5 ($10) and Muse Spark 1.3 ($2). With an output speed of 63.8 t/s, it is faster than Claude Opus 5 (54.7 t/s), slower than Muse Spark 1.3 (129 t/s).

Artificial Analysis Indices
Intelligence49.6
Rank 21 of 744 measured models
Coding76.5
Rank 15 of 298 measured models
Agentic50.7
Rank 16 of 189 measured models
Capability indexes
Performance in specific industries, measured by Artificial Analysis
Finance & Accounting53.8
Rank 14 of 218 measured models
Strategy & Ops55.5
Rank 17 of 218 measured models
Legal58.0
Rank 10 of 218 measured models
Healthcare & Medical53.8
Rank 4 of 82 measured models
Engineering53.0
Rank 18 of 217 measured models
Economics60.4
Rank 9 of 225 measured models
Standard Benchmarks
GPQA Diamond92.6%
Rank 33 of 619 measured models
HLE55.5%
Rank 8 of 664 measured models
SciCode61.0%
Rank 6 of 231 measured models
IFBench63.5%
Rank 115 of 450 measured models
AA-LCR82.3%
Rank 39 of 575 measured models
TerminalBench Hard62.9%
Rank 2 of 432 measured models
Terminal-Bench 2.184.6%
Rank 28 of 244 measured models
Terminal-Bench v442.4%
Rank 27 of 218 measured models
Additional benchmarks18
Design Arena · 3d61.8%
Design Arena · Agenticgamedev61.9%
Design Arena · Agentichtmlslides59.4%
Design Arena · Agenticslides Html59.5%
Design Arena · Androidnative65.1%
Design Arena · Asciiart68.0%
Design Arena · Codecategories57.7%
Design Arena · Dataviz57.5%
Design Arena · Fullstack58.2%
Design Arena · Gamedev60.8%
Design Arena · Godotgamedev64.3%
Design Arena · Htmlslides63.1%
Design Arena · Mobileapps60.4%
Design Arena · Python Pptxslides61.4%
Design Arena · Svg62.6%
Design Arena · Uicomponent58.1%
Design Arena · Webapps56.4%
Design Arena · Website56.0%
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

Preferences and analytics

Rybbit: visits, performance, clicks, copies, forms and session replay (masked inputs), with your permission. Refusing does not limit the site.

Privacy

Allow navigation analytics?

With your permission, Rybbit measures visits, performance and interactions (clicks, copies, forms), including session replay, to improve BenchSift. Input values are masked in replays. Refusing does not limit the site.

Your choice is stored for 180 days. Change it at any time using “Privacy preferences” in the footer. Withdrawal reloads the page.

No choice stored: Rybbit is disabled.

Privacy