#15
OpenAI
Release: 2026-02-05
Tested on: 2026-05-22 00:19
openai/gpt-5.3-codex::medium
Input Price
$1.750 / 1M
Output Price
$14.000 / 1M
Flaky tests
4
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-05-22 00:19 Re-test | 8.3 | 10.0 | $0.685 | Current run | |
| 2026-04-11 01:44 First recorded run | 8.6 | N/A | $0.573 | Compare |
Charts
Choose the first model, then click a second model to open a side-by-side page.
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 | 8.7 | 7.9 | |
| Coding | 10.0 | 10.0 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.9 | 7.2 | |
| General Intelligence | 4.6 | 10.0 | |
| Instructions following | 10.0 | 10.0 | |
| Puzzle Solving | 9.0 | 7.9 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 2.8 | 1.6 |