Data points: 113
Model compare
The readout for GPT-5.1 and MiMo-V2.5-Pro, before the detailed comparison sheet.
Weighted outcome: MiMo-V2.5-Pro. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
MiMo-V2.5-Pro
MiMo-V2.5-Pro has the higher weighted result; Model A / B score 16 to 84.
Evidence depth
113 data points
Includes 24 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with MiMo-V2.5-Pro
The charts below split 31 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 MiMo-V2.5-Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.1 | MiMo-V2.5-Pro |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 16.0 pts | 84.0 pts |
| Benchmark category leads | 0 categories | 5 categories |
| Operational advantages | Average speed, First-token latency, Free providers, Provider coverage | Cheapest input price |
| Context window | 400K tokens | 1.1M tokens |
| Max output | 128K tokens | 131.1K 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 | MiMo-V2.5-Pro |
|---|---|---|
| Developer | OpenAI | Xiaomi |
| Released | Nov 2025 | Apr 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.1 | xiaomi/mimo-v2.5-pro |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.1 and MiMo-V2.5-Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.1
GPT-5.1 has these operational advantages: Average speed, First-token latency, Free providers, Provider coverage.
MiMo-V2.5-Pro
MiMo-V2.5-Pro is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Instruction following) and operational dimensions (Cheapest input price).
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
Avg. score
MiMo-V2.5-Pro
53.6
MiMo-V2.5-Pro leads by 3.4
MiMo-V2.5-Pro leads by 1.1
MiMo-V2.5-Pro leads by 2.1
MiMo-V2.5-Pro leads by 0.6
GPT-5.1
No data
No data
MiMo-V2.5-Pro leads by 3.0
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.1
56.0
Rank #41/84 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner59.0
Rank #31/84 · confidence 1 · eval date 2026-04-22
GPT-5.1
$10.00/M
Rank #120/162 · confidence 4
MiMo-V2.5-Pro
winner$0.870/M
Rank #34/162 · confidence 4
GPT-5.1
$3.44/M
Rank #117/162 · confidence 4
MiMo-V2.5-Pro
winner$0.544/M
Rank #47/162 · confidence 4
GPT-5.1
$1.25/M
Rank #107/162 · confidence 4
MiMo-V2.5-Pro
winner$0.435/M
Rank #66/162 · confidence 4
GPT-5.1
winner75.0
Rank #3/89 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
73.3
Rank #12/89 · confidence 1 · eval date 2026-04-22
GPT-5.1
26.5%
Rank #40/187 · confidence 4
MiMo-V2.5-Pro
winner33.8%
Rank #23/187 · confidence 4
GPT-5.1
winner87.3%
Rank #33/188 · confidence 4
MiMo-V2.5-Pro
86.6%
Rank #39/188 · confidence 4
GPT-5.1
winner4.9
Rank #34/73 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
4.0
Rank #38/73 · confidence 1 · eval date 2026-04-22
GPT-5.1
43.3%
Rank #42/185 · confidence 4
MiMo-V2.5-Pro
winner50.2%
Rank #16/185 · confidence 4
GPT-5.1
49.4
Rank #32/59 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner60.2
Rank #18/59 · confidence 1 · eval date 2026-04-22
GPT-5.1
43.3
Rank #45/96 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner50.2
Rank #20/96 · confidence 1 · eval date 2026-04-22
GPT-5.1
winner5.6
Rank #19/29 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
3.6
Rank #22/29 · confidence 1 · eval date 2026-04-22
GPT-5.1
36.9
Rank #42/99 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner42.2
Rank #21/99 · confidence 1 · eval date 2026-04-22
GPT-5.1
26.5
Rank #39/96 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner33.8
Rank #23/96 · confidence 1 · eval date 2026-04-22
GPT-5.1
winner37.6
Rank #31/90 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
22.6
Rank #67/90 · confidence 1 · eval date 2026-04-22
GPT-5.1
winner87.3
Rank #36/96 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
86.6
Rank #39/96 · confidence 1 · eval date 2026-04-22
GPT-5.1
winner51.3
Rank #65/90 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
24.5
Rank #87/90 · confidence 1 · eval date 2026-04-22
GPT-5.1
1212.0
Rank #38/66 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner1309.0
Rank #10/66 · confidence 1 · eval date 2026-04-22
GPT-5.1
72.9
Rank #30/86 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner79.9
Rank #4/86 · confidence 1 · eval date 2026-04-22
GPT-5.1
41.2
Rank #35/50 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner62.7
Rank #9/50 · confidence 1 · eval date 2026-04-22
GPT-5.1
24.4
Rank #35/50 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner38.3
Rank #17/50 · confidence 1 · eval date 2026-04-22
GPT-5.1
988.0
Rank #35/55 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner1265.0
Rank #17/55 · confidence 1 · eval date 2026-04-22
GPT-5.1
81.9
Rank #52/84 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner94.2
Rank #23/84 · confidence 1 · eval date 2026-04-22
GPT-5.1
21.0
Rank #36/55 · confidence 1 · eval date 2025-11-13
MiMo-V2.5-Pro
winner29.1
Rank #24/55 · confidence 1 · eval date 2026-04-22
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.1 | MiMo-V2.5-Pro |
|---|---|---|
| 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 | MiMo-V2.5-Pro |
|---|---|---|
5 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2.5-Pro speed / latency 61 tok/s / 6128ms input / output No data |
5 tests | GPT-5.1 speed / latency |
Weighted outcome: MiMo-V2.5-Pro. 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 |
|---|
96 tok/s / 1862ms
input / output
No data
MiMo-V2.5-Pro speed / latency N/A / N/A input / output No data |
Sub2API5 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2.5-Pro speed / latency 44 tok/s / 2770ms input / output No data |
|---|
小水管 API5 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2.5-Pro speed / latency 63 tok/s / 2548ms input / output No data |
|---|
42公益站0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2.5-Pro speed / latency N/A / N/A input / output No data |
|---|
GPT-5.1 gpt-5.1-chat-latest speed / latency No data input / output $0.030/M/$0.240/M | MiMo-V2.5-Pro mimo-v2.5-pro speed / latency No data input / output $2.05/M/$4.11/M |
GPT-5.1 gpt-5.1-2025-11-13 speed / latency No data input / output $0.030/M/$0.240/M | MiMo-V2.5-Pro mimo-v2.5-pro speed / latency No data input / output $2.05/M/$4.11/M |
