Data points: 69
Model compare
The readout for GPT-OSS and Llama 4 Scout, 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
69 data points
Includes 0 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with GPT-OSS
The charts below split 7 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 Llama 4 Scout: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-OSS | Llama 4 Scout |
|---|---|---|
| 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 | 10M 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 | Llama 4 Scout |
|---|---|---|
| Developer | No data | Meta |
| Released | Aug 2025 | Apr 2025 |
| Parameters | 120B | 17B |
| Tokenizer | GPT | Llama4 |
| Knowledge cutoff | 2024-06-30 | 2024-08-31 |
| OpenRouter ID | openai/gpt-oss-120b:free | meta-llama/llama-4-scout |
| References | No data | No data |
This report only uses LMSpeed data for GPT-OSS and Llama 4 Scout: 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.
Llama 4 Scout
Llama 4 Scout has these operational advantages: First-token latency.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GPT-OSS
-
Avg. score
Llama 4 Scout
39.5
Llama 4 Scout
Llama 4 Scout
Llama 4 Scout
Llama 4 Scout
Llama 4 Scout
No data
No data
Llama 4 Scout
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 | Llama 4 Scout |
|---|---|---|
| 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 | Llama 4 Scout |
|---|---|---|
40 tests | GPT-OSS speed / latency 41 tok/s / 2851ms input / output No data | Llama 4 Scout speed / latency N/A / N/A input / output No data |
35 tests | GPT-OSS speed / latency 347 tok/s / 2670ms input / output No data | Llama 4 Scout speed / latency N/A / N/A input / output No data |
30 tests | GPT-OSS speed / latency 40 tok/s / 2800ms input / output No data | Llama 4 Scout speed / latency 75 tok/s / 1622ms input / output No data |
0 tests | GPT-OSS speed / latency N/A / N/A input / output No data | Llama 4 Scout speed / latency N/A / N/A input / output No data |
0 tests | GPT-OSS speed / latency N/A / N/A input / output No data | Llama 4 Scout speed / latency N/A / N/A input / output No data |
GPT-OSS gpt-oss-120b speed / latency No data input / output $0/M/$0/M | Llama 4 Scout llama-4-scout-17b-16e-instruct speed / latency No data input / output $0/M | |
GPT-OSS openai/gpt-oss-120b speed / latency No data input / output $0/request | Llama 4 Scout llama-4-scout-17b-16e-instruct speed / latency No data input / output $0.100/request |
Weighted outcome: GPT-OSS. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingReasoning | Text inputImage inputText outputTool callingStructured outputsJSON mode |
|---|
