#86 GPT-5.5
none- Cost
- $0.090
- Time
- 54.3s
- Tokens
- 3,063 tok
OpenAI
Release: 2026-04-24
Tested on: 2026-05-22 00:19
openai/gpt-5.5::none
~1.5T total (~100B active)MoEClosedEstimated
Summary
GPT-5.5 scores 6.5 on AI BENCHY and ranks #86. It has 10.0 reliability, a 56.7% pass rate, $0.217 total cost, and 1.94s average response time.
What makes GPT-5.5 unique: It is notably fast compared with similar models.
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.
6.5
Consistency
8.7
10.0
$0.217
Total Output Tokens
1,949
Total Input Tokens
0
Input Price
$5.000 / 1M
Output Price
$30.000 / 1M
Flaky tests
3
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 02:17 Re-test | 7.0 | 10.0 | $0.544 | Compare | |
| 2026-07-16 22:34 New test added | 6.9 | 10.0 | $0.544 | Compare | |
| 2026-06-04 13:46 New test added | 6.4 | 10.0 | $0.231 | Compare | |
| 2026-05-22 00:19 Suite changed | 6.5 | 10.0 | $0.217 | Current run | |
| 2026-04-24 19:59 Initial run | 6.8 | N/A | $0.195 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-22 00:19 · Suite changed | 60/60 attempts | 6.5 | 8.7 | 10.0 | 10/20 | 3 | 1,949 | 0 | $0.217 | 1.94s |
| 2026-04-24 19:59 · Initial run | 54/54 attempts | 6.8 | 8.3 | N/A | 9/18 | 4 | 1,910 | 0 | $0.195 | 1.83s |
| Difference | — | -0.2 | +0.4 | +1 | -1 | +39 | 0 | +$0.022 | +117ms |
Benchmark coverage differs: 60/60 attempts (Target: 3 repeats per test) versus 54/54 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
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 |
|---|---|---|---|
| Anti-AI Tricks | 6.9 | 7.9 | |
| Coding | 6.8 | 10.0 | |
| Combined | 3.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 2.9 | 7.2 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 6.2 | 5.8 | |
| Puzzle Solving | 7.7 | 10.0 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |