Data points: 83
Model compare
The readout for GPT-5.1 and MiMo-V2-Omni, before the detailed comparison sheet.
Weighted outcome: GPT-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.1
GPT-5.1 has the higher weighted result; Model A / B score 76 to 24.
Evidence depth
83 data points
Includes 14 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.1
The charts below split 22 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-Omni: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.1 | MiMo-V2-Omni |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 76.0 pts | 24.0 pts |
| Benchmark category leads | 3 categories | 1 categories |
| Operational advantages | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage | No data |
| Context window | 400K tokens | No data |
| Max output | 128K tokens | No data |
| 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-Omni |
|---|---|---|
| Developer | OpenAI | No data |
| Released | Nov 2025 | No data |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.1 | No data |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.1 and MiMo-V2-Omni: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.1
GPT-5.1 is stronger in benchmark categories (Agents, Knowledge, Instruction following) and operational dimensions (Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage).
MiMo-V2-Omni
MiMo-V2-Omni leads these benchmark categories: Reasoning.
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-Omni
48
GPT-5.1 leads by 6.4
Tied
MiMo-V2-Omni leads by 0.8
GPT-5.1 leads by 5.9
GPT-5.1
No data
No data
GPT-5.1 leads by 6.4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.1
winner75.0
Rank #3/89 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
66.7
Rank #35/89 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner87.3%
Rank #33/188 · confidence 4
MiMo-V2-Omni
85.5%
Rank #43/188 · confidence 4
GPT-5.1
winner4.9
Rank #34/73 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
1.1
Rank #54/73 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner26.5%
Rank #40/187 · confidence 4
MiMo-V2-Omni
20.4%
Rank #54/187 · confidence 4
GPT-5.1
winner43.3%
Rank #42/185 · confidence 4
MiMo-V2-Omni
39.5%
Rank #78/185 · confidence 4
GPT-5.1
winner43.3
Rank #45/96 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
36.7
Rank #72/96 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner37.6
Rank #31/90 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
18.7
Rank #78/90 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner87.3
Rank #36/96 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
82.8
Rank #53/96 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner26.5
Rank #39/96 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
19.9
Rank #53/96 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner36.9
Rank #42/99 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
35.0
Rank #45/99 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner51.3
Rank #65/90 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
44.4
Rank #71/90 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner75.5
Rank #23/57 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
69.9
Rank #42/57 · confidence 1 · eval date 2026-03-18
GPT-5.1
winner72.9
Rank #30/86 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
53.5
Rank #57/86 · confidence 1 · eval date 2026-03-18
GPT-5.1
81.9
Rank #52/84 · confidence 1 · eval date 2025-11-13
MiMo-V2-Omni
winner91.2
Rank #31/84 · confidence 1 · eval date 2026-03-18
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.1 | MiMo-V2-Omni |
|---|---|---|
| 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-Omni |
|---|---|---|
0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2-Omni speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.1 speed / latency |
Weighted outcome: GPT-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
|---|
N/A / N/A
input / output
No data
MiMo-V2-Omni speed / latency N/A / N/A input / output No data |
6345ywz API0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2-Omni speed / latency N/A / N/A input / output No data |
|---|
933999 API0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2-Omni speed / latency N/A / N/A input / output No data |
|---|
ABC Relay0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | MiMo-V2-Omni speed / latency N/A / N/A input / output No data |
|---|
GPT-5.1 gpt-5.1 speed / latency No data input / output $0.086/M/$0.685/M | MiMo-V2-Omni mimo-v2-omni speed / latency No data input / output $0.027/M/$0.137/M |
GPT-5.1 gpt-5.1 speed / latency No data input / output $0.137/M/$1.10/M | MiMo-V2-Omni mimo-v2-omni speed / latency No data input / output $0.384/M/$1.92/M |
GPT-5.1 gpt-5.1-all speed / latency No data input / output $0.137/M/$1.10/M | MiMo-V2-Omni mimo-v2-omni speed / latency No data input / output $0.384/M/$1.92/M |
