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Claude Sonnet 4.5

AnthropicClaudeProprietary

Description

Claude Sonnet 4.5 is the best coding model in the world. It's the strongest model for building complex agents. It’s the best model at using computers. And it shows substantial gains in reasoning and math. Highest intelligence across most tasks with exceptional agent and coding capabilities.

Release Date
2025-09-29
Parameters
—
Context Length
1.0M
Modalities
audio, image, pdf, text, video

Capability Radar

70
general
50
coding
90
reasoning
68
scienceest.
80
agents
70
multimodal

Science is estimated from LLM Stats science scores or reasoning when no dedicated science benchmarks are available.

Rankings

Domain#RankScoreSource
Multimodal Ranking69
53.0
LS

Benchmark Scores (LLM Stats)

(LLM Stats (zeroeval))

Chat

TAU-bench Retail86.2%SR

Language

MMMLU89.1%SR

Math

AIME 202587.0%SR

Multimodal

OSWorld61.4%SR

Reasoning

GPQANYU + Cohere + Anthropic (2023)83.4%SR
SWE-bench Verified (Agentic Coding)77.2%SR
TAU-bench Airline70.0%SR
Terminal-Bench50.0%SR

Vision

MMMUval77.8%SR

AA Evaluation Indices

(Artificial Analysis)

No AA evaluation data available

LLM Stats Category Scores

(LLM Stats (zeroeval))
Chat
90
Language
90
Math
90
Physics
80
Reasoning
80
Healthcare
80
Biology
80
Chemistry
80
Communication
80
Tool Calling
80
Multimodal
70
General
70
Vision
70
Agents
60
Long Context
50
Code
50

Pricing

Input Price$0 / 1M tokens
Output Price$0.00002 / 1M tokens
Blended Price (3:1)$0.00001 / 1M tokens
Cache Read Price$0.3 / 1M tokens
Cache Write Price$3.75 / 1M tokens

Speed

No speed data available

Provider Price Ranking

Provider Price Ranking

27 providers

Cheapest: AnthropicMost Expensive: Venice AI
ProviderInputOutput
1AnthropicPRIMARY
$0
$0.00002
2QiHang
$0.43
$2.14
3Poe
$2.6
$13
4Jiekou.AI
$2.7
$13.5
5302.AI
$3
$15
6NanoGPT
$3
$15
7Abacus
$3
$15
8OpenRouter
$3
$15
9ZenMux
$3
$15
10Kilo Gateway
$3
$15
11Cloudflare AI Gateway
$3
$15
12OpenCode Zen
$3
$15
13Helicone
$3
$15
14Azure Cognitive Services
$3
$15
15Vertex (Anthropic)
$3
$15
16Requesty
$3
$15
17Vercel AI Gateway
$3
$15
18DevPass (LLM Gateway)
$3
$15
19Vertex
$3
$15
20Azure
$3
$15
21OrcaRouter
$3
$15
22Neon
$3
$15
23Pioneer
$3
$15
24Ofox
$3
$15
25AIHubMix
$3.3
$16.5
26Opper
$3.3
$16.5
27Venice AI
$3.75
$18.75

Compare pricing across different API providers for this model.

External Sources