#16 GPT-5.5
low- Cost
- $0.068
- Time
- 37.0s
- Tokens
- 2,339 tok
OpenAI
Release: 2026-04-24
Tested on: 2026-08-14 02:18
openai/gpt-5.5::low
~1.5T total (~100B active)MoEClosedEstimated
Summary
GPT-5.5 scores 9.3 on AI BENCHY and ranks #16. It has 10.0 reliability, a 86.4% pass rate, $1.257 total cost, and 10.15s average response time.
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.
9.3
Consistency
10.0
10.0
$1.257
Total Output Tokens
28,540
Total Input Tokens
80,067
Input Price
$5.000 / 1M
Output Price
$30.000 / 1M
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.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-08-14 02:18 Re-test | 9.3 | 10.0 | $1.257 | 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.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 02:18 · Current run | 66/66 attempts | 9.3 | 10.0 | 10.0 | 19/22 | 0 | 28,540 | 80,067 | $1.257 | 10.15s |
| 2026-07-16 22:35 · New test added | 66/66 attempts | 9.3 | 10.0 | 10.0 | 19/22 | 0 | 28,418 | 80,058 | $1.253 | 10.13s |
| Difference | — | 0.0 | 0.0 | 0.0 | 0 | 0 | +122 | +9 | +$0.004 | +19ms |
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price |
|---|---|---|
| 2026-08-14 12:51 | $5.000 / 1M | $30.000 / 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
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| 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 |