Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)
AnthropicClaude
Release Date
2026-09-22
Parameters
—
Context Length
1.0M
Modalities
image, pdf, text
Capability Radar
44
general
59
coding
25
reasoning
55
science
35
agents
80
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 46 | 91.0 | AA |
| General Ranking | 50 | 72.0 | AA |
| Math Reasoning | 2 | 97.0 | LB |
| Math Reasoning | 3 | 97.0 | LB |
| Reasoning | 3 | 92.0 | LB |
| Reasoning | 5 | 91.0 | LB |
| Science | 47 | 82.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))No benchmark data available
AA Evaluation Indices
(Artificial Analysis)Lcr(Artificial Analysis)80.7
Scicode(UIUC + Argonne National Lab (2024))58.6
Hle(Center for AI Safety + Scale AI (2025))48.3
Intelligence Index(Artificial Analysis)42.3
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/sec79.5
Time to First Token5.31s
Time to Answer5.31s
Provider Price Ranking
Provider Price Ranking
10 providers
Cheapest: AnthropicMost Expensive: Venice AI
ProviderInputOutput
1AnthropicPRIMARY
$4
$20
2302.AI
$4
$20
3Vivgrid
$4
$20
4OpenCode Zen
$4
$20
5AIHubMix
$4
$20
6Azure Cognitive Services
$4
$20
7Requesty
$4
$20
8DevPass (LLM Gateway)
$4
$20
9Azure
$4
$20
10Venice AI
$4.8
$24
Compare pricing across different API providers for this model.