Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
AnthropicClaude
Release Date
2026-09-22
Parameters
—
Context Length
1.0M
Modalities
image, pdf, text
Capability Radar
56
general
65
coding
34
reasoning
62
science
43
agents
80
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 10 | 95.0 | AA |
| General Ranking | 2 | 97.0 | AA |
| Science | 3 | 96.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))No benchmark data available
AA Evaluation Indices
(Artificial Analysis)Lcr(Artificial Analysis)84.7
Scicode(UIUC + Argonne National Lab (2024))65.0
Hle(Center for AI Safety + Scale AI (2025))57.5
Intelligence Index(Artificial Analysis)56.0
LLM Stats Category Scores
(LLM Stats (zeroeval))No category score data available
Pricing
Input Price$4 / 1M tokens
Output Price$20 / 1M tokens
Blended Price (3:1)$8 / 1M tokens
Cache Read Price$0.2 / 1M tokens
Cache Write Price$5 / 1M tokens
Speed
Tokens/sec86.2
Time to First Token67.81s
Time to Answer67.81s
Provider Price Ranking
Provider Price Ranking
1 providers
ProviderInputOutput
1AnthropicPRIMARY
$4
$20
Compare pricing across different API providers for this model.