Data points: 99
Model compare
The readout for GPT-5.4 and MiMo-V2-Pro, before the detailed comparison sheet.
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.4
GPT-5.4 has the higher weighted result; Model A / B score 92 to 8.
Evidence depth
99 data points
Includes 17 benchmark rows, 2 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 28 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-5.4 and MiMo-V2-Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 | MiMo-V2-Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 92.0 pts | 8.0 pts |
| Benchmark category leads | 5 categories | 0 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | Average speed, First-token latency |
| Context window | 1.1M tokens | No data |
| Max output | 128K tokens | No data |
| Modalities | 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 | GPT-5.4 | MiMo-V2-Pro |
|---|---|---|
| Developer | OpenAI | No data |
| Released | Mar 2026 | No data |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | No data |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 and MiMo-V2-Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4
GPT-5.4 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Instruction following) and operational dimensions (Cheapest input price, Free providers, Provider coverage).
MiMo-V2-Pro
MiMo-V2-Pro has these operational advantages: Average speed, 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-5.4
57.4
Avg. score
MiMo-V2-Pro
52.1
GPT-5.4 leads by 8.4
GPT-5.4 leads by 9.2
GPT-5.4 leads by 4.1
GPT-5.4 leads by 6.2
GPT-5.4
No data
GPT-5.4
GPT-5.4 leads by 1.9
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.4
winner74.0
Rank #6/89 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
60.7
Rank #59/89 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner23.4
Rank #7/73 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
0.3
Rank #68/73 · confidence 1 · eval date 2026-03-18
GPT-5.4
10.6%
Rank #91/187 · confidence 4
MiMo-V2-Pro
winner28.3%
Rank #33/187 · confidence 4
GPT-5.4
74.8%
Rank #96/188 · confidence 4
MiMo-V2-Pro
winner87.0%
Rank #34/188 · confidence 4
GPT-5.4
winner56.6
Rank #4/96 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
42.5
Rank #48/96 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner47.1%
Rank #24/185 · confidence 4
MiMo-V2-Pro
42.5%
Rank #48/185 · confidence 4
GPT-5.4
winner41.6
Rank #8/96 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
28.3
Rank #33/96 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner50.0
Rank #9/90 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
26.8
Rank #49/90 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner51.4
Rank #10/99 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
40.3
Rank #26/99 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner92.0
Rank #11/96 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
87.0
Rank #37/96 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner88.6
Rank #18/90 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
29.9
Rank #82/90 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner5.7
Rank #18/29 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
4.9
Rank #20/29 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner73.9
Rank #24/86 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
68.8
Rank #42/86 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner64.9
Rank #4/50 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
36.7
Rank #44/50 · confidence 1 · eval date 2026-03-18
GPT-5.4
winner60.3
Rank #13/28 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
57.8
Rank #17/28 · confidence 1 · eval date 2026-03-18
GPT-5.4
15.3
Rank #14/19 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
15.3
Rank #14/19 · confidence 1 · eval date 2026-03-18
GPT-5.4
87.1
Rank #37/84 · confidence 3 · eval date 2026-03-05
MiMo-V2-Pro
winner95.0
Rank #19/84 · 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-5.4 | MiMo-V2-Pro |
|---|---|---|
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 100 100100100100 | MiMo-V2-Pro mimo-v2-pro |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.4 | MiMo-V2-Pro |
|---|---|---|
20 tests | GPT-5.4 speed / latency 51 tok/s / 4032ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
20 tests | GPT-5.4 speed / latency |
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
|---|
No audit yet
TokenFluxWinner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 83 727980100 | MiMo-V2-Pro mimo-v2-pro No audit yet |
|---|
49 tok/s / 5435ms
input / output
No data
MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
6345ywz API15 tests | GPT-5.4 speed / latency 41 tok/s / 6581ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
|---|
0CHAT10 tests | GPT-5.4 speed / latency 51 tok/s / 2526ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
|---|
Fengsili API10 tests | GPT-5.4 speed / latency 88 tok/s / 6075ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
|---|
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.342/M/$2.05/M | MiMo-V2-Pro mimo-v2-pro speed / latency No data input / output $0.011/request |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.034/M/$0.205/M | MiMo-V2-Pro mimo-v2-pro speed / latency No data input / output $2.05/M/$4.11/M |
GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $0.041/M/$0.247/M | MiMo-V2-Pro mimo-v2-pro speed / latency No data input / output $10.27/M/$10.27/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.068/M/$0.411/M | MiMo-V2-Pro mimo-v2-pro speed / latency No data input / output $0.060/M/$0.119/M |
