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 | #Rank | Score | Source |
|---|---|---|---|
| Agentic Capability | 10 | 65.0 | LS |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))Agents
OSWorld
61.4%SR
Terminal-Bench
50.0%SR
Biology
GPQANYU + Cohere + Anthropic (2023)
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
(Artificial Analysis)No AA evaluation data available
LLM Stats Category Scores
(LLM Stats (zeroeval))Math90
Language90
Physics80
Reasoning80
Healthcare80
Biology80
Chemistry80
Communication80
Tool Calling80
Multimodal70
General70
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
23 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
11OpenCode Zen
$3
$15
12Helicone
$3
$15
13Azure Cognitive Services
$3
$15
14Vertex (Anthropic)
$3
$15
15Requesty
$3
$15
16Vercel AI Gateway
$3
$15
17LLM Gateway
$3
$15
18Vertex
$3
$15
19Azure
$3
$15
20OrcaRouter
$3
$15
21Neon
$3
$15
22Pioneer
$3
$15
23Venice AI
$3.75
$18.75
Compare pricing across different API providers for this model.