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Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
New in 2026
Developed by
Anthropic
API Pricing (per 1M tokens)
Input
$3.00
Output
$15.00
Intelligence Benchmarks
MMLU Pro
N/A
GPQA
87.5%
Intelligence Index
51.3
Livebench
N/A
Technical Specifications
Context Window
1000K Tokens
Vision Support
Yes
Tokens per Second
55
Time to First Token (s)
0.88
Modalities
text
image->text