Claude Sonnet 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback)
AnthropicClaude
Release Date
2026-09-28
Parameters
—
Context Length
1.0M
Modalities
image, pdf, text
Capability Radar
41
general
53
coding
24
reasoning
48
science
33
agents
80
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 83 | 86.0 | AA |
| General Ranking | 72 | 69.0 | AA |
| Science | 110 | 71.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))No benchmark data available
AA Evaluation Indices
(Artificial Analysis)Lcr(Artificial Analysis)76.3
Scicode(UIUC + Argonne National Lab (2024))52.9
Intelligence Index(Artificial Analysis)40.7
Hle(Center for AI Safety + Scale AI (2025))39.8
LLM Stats Category Scores
(LLM Stats (zeroeval))No category score data available
Pricing
Input Price$2 / 1M tokens
Output Price$10 / 1M tokens
Blended Price (3:1)$4 / 1M tokens
Cache Read Price$0.2 / 1M tokens
Cache Write Price$2.5 / 1M tokens
Speed
Tokens/sec88.2
Time to First Token0.68s
Time to Answer0.68s
Provider Price Ranking
Provider Price Ranking
1 providers
ProviderInputOutput
1AnthropicPRIMARY
$2
$10
Compare pricing across different API providers for this model.