Summary
gpt-oss-120b scores 4.0 on AI BENCHY and ranks #183. It has 10.0 reliability, a 34.9% pass rate, $0.010 total cost, and 21.61s average response time.
What makes gpt-oss-120b unique: Its total benchmark cost is unusually low for its score range.
4.0
Consistency
8.2
10.0
Total Output Tokens
51,664
Total Input Tokens
9,081
Input Price
$0.036 / 1M
Output Price
$0.180 / 1M
Flaky tests
2
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 |
|---|---|---|---|---|---|
| 2026-05-08 15:31 Suite changed | 5.4 | 10.0 | $0.010 ↓ | Current run | |
| 2026-04-21 12:42 First recorded run | 5.2 | N/A | $0.009 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Run comparison
| Run | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-08 15:31 · Current run | 4.0 | 8.2 | 10.0 | 6/19 | 2 | 51,664 | 9,081 | $0.010 | 21.61s |
| 2026-04-21 12:42 · First recorded run | 5.2 | 7.9 | N/A | 4/18 | 5 | 44,652 | 0 | $0.009 | 11.96s |
| Difference | -1.2 | +0.3 | +2 | -3 | +7012 | +9081 | +$0.001 | +9656ms |
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 |
|---|---|---|
| 2026-06-04 15:40 | $0.039 / 1M | $0.180 / 1M |
| 2026-06-29 01:00 | $0.030 / 1M | $0.150 / 1M |
| 2026-07-09 20:59 | $0.036 / 1M | $0.180 / 1M |
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
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 6.5 | 10.0 | |
| Coding | 1.5 | 4.0 | |
| Combined | 3.0 | 10.0 | |
| Data parsing and extraction | 6.5 | 10.0 | |
| Domain specific | 3.0 | 10.0 | |
| General Intelligence | 4.8 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 6.0 | 7.2 | |
| Tool Calling | 3.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |