- Score
- 9.4 (-0.03 points)
- Total Cost (Current Price)
- $0.183 · 91.5% cheaper
- Response Time (avg)
- 6.24s · 77.3% faster
Anthropic
Release: 2026-09-23
Tested on: 2026-09-30 23:15
anthropic/claude-opus-5.5::high
~5T total (~500B active)MoEClosedEstimated
Summary
Claude Opus 5.5 scores 9.4 on AI BENCHY and ranks #24. It has 10.0 reliability, a 87.0% pass rate, $2.133 total cost, and 27.55s average response time.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 9.6 (+0.16 points)
- Total Cost (Current Price)
- $0.460 · 78.5% cheaper
- Response Time (avg)
- 7.15s · 74.0% faster
- Score
- 9.8 (+0.40 points)
- Total Cost (Current Price)
- $0.577 · 73.0% cheaper
- Response Time (avg)
- 14.03s · 49.1% faster
Model facts
Researched on 2026-09-23
- Parameters
- ~5T total (~500B active)
- Architecture
- MoE
- Availability
- Closed
- License
- -
Best estimate from public evidence; the vendor did not disclose every value. Vendor does not disclose parameter counts or architecture. Low-confidence catalog estimate carries forward the prior anthropic/claude-opus-5 family estimate; the linked announcement establishes identity and availability, not these counts.
9.4
Consistency
9.3
10.0
$2.133
Total Output Tokens
42,782
Total Input Tokens
319,095
Input Price
$4.000 / 1M
Output Price
$20.000 / 1M
Cache Read Price
$0.200 / 1M
Cache Write Price
$5.000 / 1M
Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.
Flaky tests
2
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#24 Claude Opus 5.5
high- Cost
- $0.136
- Time
- 75.6s
- Tokens
- 6,934 tok
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-10-01 18:33 | $4.000 / 1M | $20.000 / 1M | $0.200 / 1M | $5.000 / 1M |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
Claude Opus 5.5highvsClaude Opus 5.5lowClaude Opus 5.5highvsGemini 3.7 FlashlowClaude Opus 5.5highvsGPT-5.5lowClaude Opus 5.5highvsClaude Opus 5highClaude Opus 5.5highvsGPT-5.6 SolhighClaude Opus 5.5highvsClaude Opus 5mediumClaude Opus 5.5highvsGPT-6 AstramediumClaude Opus 5.5highvsSeed 2.1 TurbolowClaude Opus 5.5highvsGPT-5.6 SolmediumClaude Opus 5.5highvsClaude Opus 5.5medium
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 10.0 | 10.0 | |
| Anti-AI Tricks | 10.0 | 10.0 | |
| Coding | 10.0 | 10.0 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 7.2 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 10.0 | 10.0 | |
| Puzzle Solving | 8.7 | 7.7 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |