Back

Anthropic

Claude Opus 4.5

ReasoningClosed weightsModels.dev
Intelligence
23.7
Rank 193 of 744 measured models
Output speed
46.1 t/s
Rank 329 of 403 measured models
Price/1M
$10
Rank 617 of 659 measured models
Context window
200K
Rank 618 of 1199 measured models

Claude Opus 4.5 (Non-reasoning) scores 23.7 on the Artificial Analysis Intelligence Index, ranking 193rd of 744 measured models. The closest models on this index are MiMo-V2-Omni (23.9), GPT-5.1 Codex (High) (23.7), and GLM 5V Turbo (Reasoning) (23.5). At $10 per million tokens (3:1 input/output blended price), it is more expensive than GPT-5.1 Codex (High) ($3.44). With an output speed of 46.1 t/s, it is slower than GPT-5.1 Codex (High) (126 t/s).

Artificial Analysis Indices
Non-reasoning
Intelligence23.7
Rank 193 of 744 measured models
Math62.7
Rank 113 of 270 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 ↗Price / 1M tokens
Standard Benchmarks
MMLU Pro88.9%
Rank 5 of 349 measured models
GPQA Diamond81.0%
Rank 197 of 619 measured models
HLE13.2%
Rank 280 of 664 measured models
LiveCodeBench73.8%
Rank 51 of 343 measured models
AIME 202562.7%
Rank 113 of 270 measured models
IFBench43.0%
Rank 243 of 450 measured models
AA-LCR70.7%
Rank 212 of 575 measured models
TerminalBench Hard40.9%
Rank 53 of 432 measured models
Additional benchmarks12
Design Arena · 3d58.5%
Design Arena · Androidnative65.5%
Design Arena · Asciiart54.8%
Design Arena · Codecategories59.5%
Design Arena · Dataviz58.5%
Design Arena · Fullstack60.2%
Design Arena · Gamedev59.3%
Design Arena · Mobileapps60.7%
Design Arena · Svg58.7%
Design Arena · Uicomponent58.1%
Design Arena · Webapps55.1%
Design Arena · Website59.7%
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