- Score
- 9.4 (-0.09 points)
- Total Cost (Current Price)
- $0.183 · 90.0% cheaper
- Response Time (avg)
- 6.24s · 47.6% faster
OpenAI
Release: 2026-04-24
Tested on: 2026-10-01 01:46
openai/gpt-5.5::low
~1.5T total (~100B active)MoEClosedEstimated
Summary
GPT-5.5 scores 9.5 on AI BENCHY and ranks #23. It has 10.0 reliability, a 87.0% pass rate, $1.822 total cost, and 11.91s average response time.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 9.6 (+0.10 points)
- Total Cost (Current Price)
- $0.460 · 74.8% cheaper
- Response Time (avg)
- 7.15s · 39.9% faster
Model facts
Researched on 2026-08-12
- Parameters
- ~1.5T total (~100B active)
- Architecture
- MoE
- Availability
- Closed
- License
- -
Best estimate from public evidence; the vendor did not disclose every value. External estimate; vendor does not disclose the architecture or count.
9.5
Consistency
10.0
10.0
$1.822
Total Output Tokens
31,065
Total Input Tokens
177,939
Input Price
$5.000 / 1M
Output Price
$30.000 / 1M
Cache Read Price
$0.500 / 1M
Cache Write Price
N/A
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
0
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.
#23 GPT-5.5
low- Cost
- $0.068
- Time
- 37.0s
- Tokens
- 2,339 tok
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-10-01 01:46 Re-test | 9.5 | 10.0 | $1.822 | Current run | |
| 2026-07-16 22:35 New test added | 9.3 | 10.0 | $1.253 | Compare | |
| 2026-06-04 13:47 New test added | 9.0 | 10.0 | $0.907 | Compare | |
| 2026-05-22 13:31 Suite changed | 8.9 | 10.0 | $0.822 | Compare | |
| 2026-05-08 15:31 Suite changed | 8.9 | 10.0 | $0.706 | Compare | |
| 2026-04-26 10:23 Initial run | 9.0 | 10.0 | $0.681 | 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 | $30.000 / 1M | N/A | N/A |
| 2026-10-01 18:33 | $5.000 / 1M | $30.000 / 1M | $0.500 / 1M | N/A |
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
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 | 10.0 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 9.9 | 10.0 | |
| Puzzle Solving | 10.0 | 10.0 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |