Data points: 51
Model compare
The readout for Devstral 2 and GPT-5, before the detailed comparison sheet.
Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5
GPT-5 has the higher weighted result; Model A / B score 5 to 95.
Evidence depth
51 data points
Includes 8 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with GPT-5
The charts below split 13 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 Devstral 2 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Devstral 2 | GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 5.0 pts | 95.0 pts |
| Benchmark category leads | 0 categories | 3 categories |
| Operational advantages | First-token latency | Average speed, Free providers, Provider coverage |
| Context window | No data | 400K tokens |
| Max output | No data | 128K tokens |
| Modalities | No data | Input TextImageFile Output 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 | Devstral 2 | GPT-5 |
|---|---|---|
| Developer | No data | OpenAI |
| Released | No data | Aug 2025 |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | 2024-09-30 |
| OpenRouter ID | No data | openai/gpt-5 |
| References | No data | No data |
This report only uses LMSpeed data for Devstral 2 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Devstral 2
Devstral 2 has these operational advantages: First-token latency.
GPT-5
GPT-5 is stronger in benchmark categories (Coding, Reasoning, Math) and operational dimensions (Average speed, Free providers, Provider coverage).
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
Devstral 2
45.2
Avg. score
GPT-5
55
GPT-5
GPT-5 leads by 4.1
GPT-5 leads by 6.4
GPT-5
GPT-5 leads by 18.2
GPT-5
GPT-5
GPT-5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Devstral 2
winner0.71 s
Rank #25/139 · confidence 4
GPT-5
0.81 s
Rank #28/139 · confidence 4
Devstral 2
winner0.71 s
Rank #34/139 · confidence 4
GPT-5
0.81 s
Rank #40/139 · confidence 4
Devstral 2
60.4 tok/s
Rank #95/139 · confidence 4
GPT-5
winner73.8 tok/s
Rank #84/139 · confidence 4
Devstral 2
76.2%
Rank #80/125 · confidence 4
GPT-5
winner80.6%
Rank #57/125 · confidence 4
Devstral 2
59.4%
Rank #141/187 · confidence 4
GPT-5
winner67.3%
Rank #120/187 · confidence 4
Devstral 2
3.6%
Rank #172/186 · confidence 4
GPT-5
winner5.4%
Rank #131/186 · confidence 4
Devstral 2
44.8%
Rank #67/115 · confidence 4
GPT-5
winner55.8%
Rank #49/115 · confidence 4
Devstral 2
33.1%
Rank #120/184 · confidence 4
GPT-5
winner38.8%
Rank #82/184 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Devstral 2 | GPT-5 |
|---|---|---|
| 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 | Devstral 2 | GPT-5 |
|---|---|---|
0 tests | Devstral 2 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
0 tests | Devstral 2 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
0 tests | Devstral 2 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
0 tests | Devstral 2 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
0 tests | Devstral 2 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | None listed | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
