Models

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

AnthropicAnthropicUnited States

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) is a balanced model in the Claude family, optimized for a strong mix of performance, speed, and cost-efficiency. The 'Adaptive Reasoning' and 'Max Effort' designations suggest enhanced capabilities for complex reasoning tasks, potentially with dynamic resource allocation. It is well-suited for applications requiring reliable intelligence without the premium cost of the largest models.

ReasoningFastCheapLong context
Input / 1M tokens
$3.75
Output / 1M tokens
$15.00
Output tokens/s
68.41
First-token seconds
58.05s
Supported plans
6

Benchmark history

Evaluations

9

TAU2

Measured May 14, 2026Source

Score

0.76

Terminalbench Hard

Measured May 14, 2026Source

Score

0.53

Lcr

Measured May 14, 2026Source

Score

0.71

Ifbench

Measured May 14, 2026Source

Score

0.57

Scicode

Measured May 14, 2026Source

Score

0.47

Hle

Measured May 14, 2026Source

Score

0.3

Gpqa

Measured May 14, 2026Source

Score

0.88

Artificial Analysis Coding Index

Measured May 14, 2026Source

Score

50.9

Artificial Analysis Intelligence Index

Measured May 14, 2026Source

Score

51.7

Plan availability

Products and plans that support this model

1

Discussion

Thinking... Make sure you are connected to GitHub server