- Score
- 6.6 (-0.06 points)
- Total Cost (Current Price)
- $0.121 · 90.1% cheaper
- Response Time (avg)
- 4.40s · 7.4% faster
OpenAI
Release: 2026-04-24
Tested on: 2026-10-01 01:45
openai/gpt-5.5::none
~1.5T total (~100B active)MoEClosedEstimated
Summary
GPT-5.5 scores 6.6 on AI BENCHY and ranks #219. It has 10.0 reliability, a 56.5% pass rate, $1.212 total cost, and 4.75s average response time.
What makes GPT-5.5 unique: It stands out most in General Intelligence, where it ranks #1, while Instructions following is its weakest area at #15.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 6.7 (+0.03 points)
- Total Cost (Current Price)
- $0.795 · 34.4% cheaper
- Response Time (avg)
- 4.61s · 3.1% 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.
6.6
Consistency
9.3
10.0
$1.212
Total Output Tokens
6,197
Total Input Tokens
205,108
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
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.
#219 GPT-5.5
none- Cost
- $0.090
- Time
- 54.3s
- Tokens
- 3,063 tok
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-10-01 01:45 Re-test | 6.6 | 10.0 | $1.212 | Current run | |
| 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 | Compare | |
| 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.
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
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 5.0 | 10.0 | |
| Anti-AI Tricks | 6.9 | 7.9 | |
| Coding | 5.5 | 10.0 | |
| Combined | 6.5 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| 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 |