OpenAI
Release: 2025-08-05
Tested on: 2026-10-01 05:17
openai/gpt-oss-120b::none
117B total (5.1B active)MoEOpen source
(medium)
(none)
Summary
gpt-oss-120b scores 4.2 on AI BENCHY and ranks #361. It has 10.0 reliability, a 34.8% pass rate, $0.016 total cost, and 28.63s average response time.
What makes gpt-oss-120b unique: It stands out most in Agentic, where it ranks #1, while Coding is its weakest area at #10.
Model facts
Researched on 2026-08-12
- Parameters
- 117B total (5.1B active)
- Architecture
- MoE
- Availability
- Open source
- License
- Apache-2.0
4.2
Consistency
7.6
10.0
Total Output Tokens
62,213
Total Input Tokens
131,652
Input Price
$0.037 / 1M
Output Price
$0.170 / 1M
Cache Read Price
N/A
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.
Wrong Tests: 14
Attempt pass rate: 34.8%
Benchmark coverage: 60/69 attempts (Target: 3 repeats per test)
Flaky tests
3
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 |
|---|---|---|---|---|---|
| 2026-10-01 05:17 Suite changed | 4.2 | 10.0 | $0.016 ↓ | 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.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-06-04 15:40 | $0.039 / 1M | $0.180 / 1M | N/A | N/A |
| 2026-06-29 01:00 | $0.030 / 1M | $0.150 / 1M | N/A | N/A |
| 2026-07-09 20:59 | $0.036 / 1M | $0.180 / 1M | N/A | N/A |
| 2026-07-16 15:36 | $0.037 / 1M | $0.170 / 1M | N/A | N/A |
| 2026-08-12 11:59 | $0.030 / 1M | $0.170 / 1M | N/A | N/A |
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
gpt-oss-120bnonevsGLM 4.7 Flashmediumgpt-oss-120bnonevsMercury 2.5nonegpt-oss-120bnonevsMiniMax M2.5mediumgpt-oss-120bnonevsQwen3.5-9Bmediumgpt-oss-120bnonevsMercury 2nonegpt-oss-120bnonevsLing 3.0 Tinydefaultgpt-oss-120bnonevsCobuddymediumFree Availablegpt-oss-120bnonevsGranite 4.1 8bdefaultgpt-oss-120bnonevsGranite 4.2 8Bnonegpt-oss-120bnonevsNemotron 3.5 LightningnoneFree Available
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 6.1 | 3.1 | |
| Anti-AI Tricks | 6.5 | 10.0 | |
| Coding | 1.5 | 0.4 | |
| Combined | 1.5 | 5.0 | |
| 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 |