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
200K
Modalities
audio, image, pdf, text, video
Capability Radar
80
general
50
coding
90
reasoning
68
scienceest.
80
agents
70
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Agentic Capability | 54 | 56.0 | LS |
Benchmark Scores (LLM Stats)
Agents
OSWorld
61.4%SR
Terminal-Bench
50.0%SR
Biology
GPQA
83.4%SR
Code
SWE-bench Verified (Agentic Coding)
77.2%SR
Communication
TAU-bench Retail
86.2%SR
TAU-bench Airline
70.0%SR
General
MMMLU
89.1%SR
MMMUval
77.8%SR
Math
AIME 2025
87.0%SR
AA Evaluation Indices
No AA evaluation data available
LLM Stats Category Scores
Language90
Math90
Physics80
Reasoning80
General80
Healthcare80
Biology80
Chemistry80
Communication80
Tool Calling80
Multimodal70
Vision70
Agents60
Long Context50
Code50
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
5NanoGPT
$2.992
$14.994
6302.AI
$3
$15
7Abacus
$3
$15
8Perplexity Agent
$3
$15
9OpenRouter
$3
$15
10ZenMux
$3
$15
11Kilo Gateway
$3
$15
12Cloudflare AI Gateway
$3
$15
13GitHub Copilot
$3
$15
14OpenCode Zen
$3
$15
15Helicone
$3
$15
16Azure Cognitive Services
$3
$15
17Vertex (Anthropic)
$3
$15
18Requesty
$3
$15
19Vercel AI Gateway
$3
$15
20LLM Gateway
$3
$15
21Vertex
$3
$15
22Azure
$3
$15
23NEAR AI Cloud
$3
$15.5
24OrcaRouter
$3
$15
25Merge Gateway
$3
$15
26Neon
$3
$15
27Venice AI
$3.75
$18.75
Compare pricing across different API providers for this model.