Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
AnthropicClaude
Description
Claude Sonnet 4, part of the Claude 4 family, is a significant upgrade to Claude Sonnet 3.7. It excels in coding (72.7% on SWE-bench) and reasoning, responding more precisely to instructions. Sonnet 4 offers an optimal mix of capability and practicality, with enhanced steerability, and supports extended thinking with tool use.
Release Date
2026-02-17
Parameters
—
Context Length
1.0M
Modalities
image, pdf, text
Capability Radar
44
general
61
coding
88
reasoning
62
scienceest.
70
agents
80
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 18 | 85.0 | AA |
| General Ranking | 54 | 74.0 | AA |
| Science | 37 | 75.0 | AA |
Benchmark Scores (LLM Stats)
Agents
Terminal-Bench
35.5%SR
Biology
GPQA
75.4%SR
Code
SWE-Bench Verified
72.7%SR
Communication
TAU-bench Retail
80.5%SR
TAU-bench Airline
60.0%SR
General
MMMLU
86.5%SR
MMMU
74.4%SR
Math
AIME 2025
70.5%SR
AA Evaluation Indices
Coding Index63.0
Intelligence Index47.2
Gpqa0.9
Tau20.8
Terminalbench V2 10.7
Lcr0.7
Ifbench0.6
Terminalbench Hard0.5
Scicode0.5
Tau Banking0.3
Hle0.3
LLM Stats Category Scores
Language90
Math80
Physics80
General80
Biology80
Chemistry80
Multimodal70
Reasoning70
Frontend Development70
Healthcare70
Communication70
Tool Calling70
Vision70
Code50
Agents40
Pricing
Input Price$3 / 1M tokens
Output Price$15 / 1M tokens
Blended Price (3:1)$6 / 1M tokens
Cache Read Price$0.3 / 1M tokens
Cache Write Price$3.75 / 1M tokens
Speed
Tokens/sec79.0
Time to First Token107.18s
Time to Answer107.18s
Provider Price Ranking
Provider Price Ranking
18 providers
Cheapest: PoeMost Expensive: Cortecs
ProviderInputOutput
1PoeCheapest
$2.6
$13
2NanoGPT
$2.992
$14.994
3AnthropicPRIMARY
$3
$15
4Perplexity Agent
$3
$15
5OpenRouter
$3
$15
6ZenMux
$3
$15
7Kilo Gateway
$3
$15
8Cloudflare AI Gateway
$3
$15
9GitHub Copilot
$3
$15
10Requesty
$3
$15
11DigitalOcean
$3
$15
12Vercel AI Gateway
$3
$15
13FastRouter
$3
$15
14NEAR AI Cloud
$3
$15
15GMI Cloud
$3
$15
16OrcaRouter
$3
$15
17Merge Gateway
$3
$15
18Cortecs
$3.59
$17.92
Compare pricing across different API providers for this model.