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, file, image, 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 |
|---|---|---|---|
| Agents & Tools | 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
Tool Calling80
Biology80
Chemistry80
Communication80
General80
Healthcare80
Physics80
Reasoning80
Vision70
Multimodal70
Agents60
Code50
Long Context50
Pricing
Input Price$3 / 1M tokens
Output Price$15 / 1M tokens
Blended Price (3:1)$6 / 1M tokens
Speed
No speed data available
Available Providers
(LS internal units)| Provider | Input Price | Output Price |
|---|---|---|
| Anthropic | 3.0M | 15.0M |