Data points: 68
Model compare
The readout for GPT-OSS and Mistral Nemo, before the detailed comparison sheet.
Weighted outcome: GPT-OSS. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-OSS
GPT-OSS has the higher weighted result; Model A / B score 80 to 20.
Evidence depth
68 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-OSS
The charts below split 6 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for GPT-OSS and Mistral Nemo: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-OSS | Mistral Nemo |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 80.0 pts | 20.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Cheapest input price, Average speed, Free providers, Provider coverage | First-token latency |
| Context window | 131.1K tokens | 131.1K tokens |
| Max output | 131.1K tokens | 16.4K tokens |
| Modalities | Input Text Output Text | Input Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | GPT-OSS | Mistral Nemo |
|---|---|---|
| Developer | No data | Mistral |
| Released | Aug 2025 | Jul 2024 |
| Parameters | 120B | No data |
| Tokenizer | GPT | Mistral |
| Knowledge cutoff | 2024-06-30 | 2024-04-30 |
| OpenRouter ID | openai/gpt-oss-120b:free | mistralai/mistral-nemo |
| References | No data | No data |
This report only uses LMSpeed data for GPT-OSS and Mistral Nemo: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-OSS
GPT-OSS has these operational advantages: Cheapest input price, Average speed, Free providers, Provider coverage.
Mistral Nemo
Mistral Nemo has these operational advantages: First-token latency.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-OSS | Mistral Nemo |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-OSS | Mistral Nemo |
|---|---|---|
40 tests | GPT-OSS speed / latency 41 tok/s / 2851ms input / output No data | Mistral Nemo speed / latency N/A / N/A input / output No data |
10 tests | GPT-OSS speed / latency N/A / N/A input / output No data | Mistral Nemo speed / latency 41 tok/s / 2154ms input / output No data |
0 tests | GPT-OSS speed / latency N/A / N/A input / output No data | Mistral Nemo speed / latency N/A / N/A input / output No data |
0 tests | GPT-OSS speed / latency N/A / N/A input / output No data | Mistral Nemo speed / latency N/A / N/A input / output No data |
0 tests | GPT-OSS speed / latency N/A / N/A input / output No data | Mistral Nemo speed / latency N/A / N/A input / output No data |
GPT-OSS gpt-oss-120b speed / latency No data input / output $0.121/M/$0.482/M | Mistral Nemo mistral-nemo speed / latency No data input / output $57.53/M |
Weighted outcome: GPT-OSS. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingReasoning | Text inputText outputTool callingStructured outputsJSON mode |
|---|
