Data points: 85
Model compare
The readout for GPT-5.1 and MiniMax M2.5, before the detailed comparison sheet.
Weighted outcome: MiniMax M2.5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
MiniMax M2.5
MiniMax M2.5 has the higher weighted result; Model A / B score 16 to 84.
Evidence depth
85 data points
Includes 10 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with MiniMax M2.5
The charts below split 16 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-5.1 and MiniMax M2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.1 | MiniMax M2.5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 16.0 pts | 84.0 pts |
| Benchmark category leads | 0 categories | 2 categories |
| Operational advantages | Cheapest input price, Average speed, First-token latency, Free providers | Provider coverage |
| Context window | 400K tokens | 204.8K tokens |
| Max output | 128K tokens | 196.6K tokens |
| Modalities | Input ImageTextFile 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 | GPT-5.1 | MiniMax M2.5 |
|---|---|---|
| Developer | OpenAI | MiniMax |
| Released | Nov 2025 | Feb 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.1 | minimax/minimax-m2.5 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.1 and MiniMax M2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.1
GPT-5.1 has these operational advantages: Cheapest input price, Average speed, First-token latency, Free providers.
MiniMax M2.5
MiniMax M2.5 is stronger in benchmark categories (Coding, Reasoning) and operational dimensions (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
GPT-5.1
52.1
Avg. score
MiniMax M2.5
53
GPT-5.1
MiniMax M2.5 leads by 1.0
MiniMax M2.5 leads by 2.7
GPT-5.1
GPT-5.1
No data
No data
GPT-5.1
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.1
winner111.6 tok/s
Rank #60/136 · confidence 4
MiniMax M2.5
82.4 tok/s
Rank #81/136 · confidence 4
GPT-5.1
35.90 s
Rank #128/136 · confidence 4
MiniMax M2.5
winner1.02 s
Rank #65/136 · confidence 4
GPT-5.1
35.90 s
Rank #113/136 · confidence 4
MiniMax M2.5
winner25.30 s
Rank #99/136 · confidence 4
GPT-5.1
$3.44/M
Rank #118/162 · confidence 4
MiniMax M2.5
winner$0.525/M
Rank #41/162 · confidence 4
GPT-5.1
$10.00/M
Rank #121/162 · confidence 4
MiniMax M2.5
winner$1.20/M
Rank #43/162 · confidence 4
GPT-5.1
$1.25/M
Rank #108/162 · confidence 4
MiniMax M2.5
winner$0.300/M
Rank #45/162 · confidence 4
GPT-5.1
winner87.3%
Rank #32/187 · confidence 4
MiniMax M2.5
84.8%
Rank #45/187 · confidence 4
GPT-5.1
winner26.5%
Rank #39/186 · confidence 4
MiniMax M2.5
19.1%
Rank #59/186 · confidence 4
GPT-5.1
winner24.6
Rank #18/33 · confidence 1 · eval date 2025-11-13
MiniMax M2.5
14.9
Rank #25/33 · confidence 1 · eval date 2025-10-01
GPT-5.1
winner43.3%
Rank #41/184 · confidence 4
MiniMax M2.5
42.6%
Rank #45/184 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.1 | MiniMax M2.5 |
|---|---|---|
| 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 | GPT-5.1 | MiniMax M2.5 |
|---|---|---|
20 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiniMax M2.5 speed / latency 71 tok/s / 8578ms input / output No data |
10 tests | GPT-5.1 speed / latency 96 tok/s / 1862ms input / output No data | MiniMax M2.5 speed / latency 40 tok/s / 11007ms input / output No data |
5 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiniMax M2.5 speed / latency 64 tok/s / 7718ms input / output No data |
5 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiniMax M2.5 speed / latency 19 tok/s / 19888ms input / output No data |
2 tests | GPT-5.1 speed / latency 139 tok/s / 1654ms input / output No data | MiniMax M2.5 speed / latency N/A / N/A input / output No data |
GPT-5.1 gpt-5.1-chat-latest speed / latency No data input / output $0/request | MiniMax M2.5 minimax-m2.5 speed / latency No data input / output $0/request |
Weighted outcome: MiniMax M2.5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON modeReasoning |
|---|