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Claude Sonnet 4.5

AnthropicProprietaryNon-reasoningProvisionalReleased Sep 29, 2025Input: text, image, file
Compare with MiniMax M2.7Source scores ↗OpenRouter ↗
Overall score
48.0
Rank 112 of 222 · 38.2–57.7
Context window
200K
200,000 tokens
Price per 1M tokens
$3.00 in · $15.00 out
✓ Verified on Anthropic's pricing page
Blended price
$6.00
3:1 input:output tokens
Output speed
—
Not measured yet

Category scores

Scores per capability area with the model's rank among ranked models in that category.

  1. 1Knowledge73.5
  2. 2Coding65.5
  3. 3Math36.4
  4. 4Agentic & tool use36.1
  5. 5Reasoning22.9
Higher is better. #N is the model's rank in that category, where it is eligible to be ranked.

Benchmark results (12)

As reported in system cards, papers and public evaluations. Position compares this model with every other model reporting the same benchmark.

Agentic & tool use

Gert Labs48.51#24 of 52
Terminal-Bench 2.050.0#30 of 39
OSWorld-Verified61.4#30 of 35
JobBench27.7#24 of 34
VITA-Bench17.0#10 of 11

Math

FrontierMath v2 (Tiers 1-3)23.860#57 of 64
FrontierMath v2 (Tier 4)2.439#49 of 51
AIME 202587.0#17 of 38

Coding

SWE-bench Verified77.2#33 of 98

Reasoning

ARC-AGI-213.6#40 of 41

Multimodal

Design Arena Website1191#60 of 91

Knowledge

GPQA83.4#54 of 117

Pricing by source

USD per 1M tokens.

SourceInputOutputCached in
✓ Official (Anthropic)
checked Oct 17, 2026 · Claude Sonnet 4.5
$3.00$15.00$0.30
BenchLM list price$3.00$15.00$0.30
OpenRouter anthropic/claude-sonnet-4.5$3.00$15.00$0.30

Anthropic's Claude Sonnet 4.6 announcement says pricing remains the same as Sonnet 4.5 at $3 input / $15 output per million tokens.

Arena ratings

Human-preference ratings from LMArena. Best-rated variant shown.

WebDev (coding)(High, 32K, 20250929)1394#101 · 13.3K votes

Speed

Measured by us through OpenRouter (median of trials).

Not measured yet.

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