- Score
- 9.4 (+2.16 points)
- Total Cost (Current Price)
- $0.183 · 95.2% cheaper
- Response Time (avg)
- 6.24s · 63.6% faster
Anthropic
Release: 2026-05-28
Tested on: 2026-10-01 01:36
anthropic/claude-opus-4.8::low
~5T total (~500B active)MoEClosedEstimated
Summary
Claude Opus 4.8 scores 7.2 on AI BENCHY and ranks #211. It has 10.0 reliability, a 78.3% pass rate, $3.787 total cost, and 17.13s average response time.
What makes Claude Opus 4.8 unique: It stands out most in General Intelligence, where it ranks #1, while Data parsing and extraction is its weakest area at #13.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 9.1 (+1.92 points)
- Total Cost (Current Price)
- $0.140 · 96.3% cheaper
- Response Time (avg)
- 16.58s · 3.2% faster
- Score
- 8.3 (+1.07 points)
- Total Cost (Current Price)
- $0.047 · 98.8% cheaper
- Response Time (avg)
- 18.07s · 5.5% slower
Model facts
Researched on 2026-08-12
- Parameters
- ~5T total (~500B active)
- Architecture
- MoE
- Availability
- Closed
- License
- -
Best estimate from public evidence; the vendor did not disclose every value. External industry estimate; vendor has not disclosed the architecture.
7.2
Consistency
8.6
10.0
$3.787
Total Output Tokens
69,489
Total Input Tokens
409,947
Input Price
$5.000 / 1M
Output Price
$25.000 / 1M
Cache Read Price
$0.500 / 1M
Cache Write Price
$6.250 / 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
4
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.
#211 Claude Opus 4.8
low- Cost
- $0.031
- Time
- 14.1s
- Tokens
- 1,345 tok
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-10-01 01:36 Re-test | 7.2 | 10.0 | $3.787 | Current run | |
| 2026-07-16 22:30 New test added | 7.8 | 10.0 | $2.077 | Compare | |
| 2026-06-30 22:08 Initial run | 7.7 | 10.0 | $1.270 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-08-14 12:51 | $5.000 / 1M | $25.000 / 1M | N/A | N/A |
| 2026-10-01 18:33 | $5.000 / 1M | $25.000 / 1M | $0.500 / 1M | $6.250 / 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
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 4.7 | 3.1 | |
| Anti-AI Tricks | 10.0 | 10.0 | |
| Coding | 6.6 | 4.6 | |
| Combined | 9.9 | 10.0 | |
| Data parsing and extraction | 6.3 | 5.8 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 10.0 | 10.0 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |