Model comparison
GPT-5.4 Pro vs MiMo-V2.5-Pro
Head-to-head evidence from 3 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-5.4 Pro #44 (Estimated); MiMo-V2.5-Pro #14 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-5.4 Pro and MiMo-V2.5-Pro share 3 comparable benchmark results. 2 of 8 categories are comparable. 9 results are unique to GPT-5.4 Pro; 28 to MiMo-V2.5-Pro.
Updated July 21, 2026- Shared results
- 3
- GPT-5.4 Pro only
- 9
- MiMo-V2.5-Pro only
- 28
- Comparable categories
- 2 / 8
Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. GPT-5.4 Pro only becomes the better choice if agentic is the priority or you need the larger 1.05M context window.
Confidence note. This is a partial-evidence comparison with 3 shared benchmark results across 2 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
MiMo-V2.5-Pro is clearly ahead on the BenchAlign aggregate, 70.19 to 60.89. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 1M for MiMo-V2.5-Pro.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | GPT-5.4 Pro | Δ | MiMo-V2.5-Pro |
|---|---|---|---|
| Agentic | GPT-5.4 Pro89.3 | Margin← 20.9 | MiMo-V2.5-Pro68.4 |
| Knowledge | GPT-5.4 Pro58.7 | Margin← 10.7 | MiMo-V2.5-Pro48.0 |
| Coding | GPT-5.4 ProNot measured | MarginNo overlap | MiMo-V2.5-Pro57.2 |
| Reasoning | GPT-5.4 Pro83.3 | MarginNo overlap | MiMo-V2.5-ProNot measured |
| Math | GPT-5.4 Pro46.9 | MarginNo overlap | MiMo-V2.5-ProNot measured |
| Multimodal | GPT-5.4 Pro94.0 | MarginNo overlap | MiMo-V2.5-ProNot measured |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
HLE
KnowledgeA 58.7%B 48%Winner: GPT-5.4 ProΔ 10.7HLE: GPT-5.4 Pro scored 58.7%; MiMo-V2.5-Pro scored 48%. GPT-5.4 Pro wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-5.4 Pro | MiMo-V2.5-Pro | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-5.4 Pro$30 input / $180 output | MiMo-V2.5-ProNot available | A complete price comparison is not available. |
| Generation speedtokens per second | GPT-5.4 Pro74 tok/s | MiMo-V2.5-ProNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | GPT-5.4 Pro151.79 s | MiMo-V2.5-ProNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | GPT-5.4 Pro1.05M | MiMo-V2.5-Pro1M | GPT-5.4 Pro lists the larger context window. |
Benchmark Deep Dive
AgenticGPT-5.4 Pro wins15 benchmarks
| Benchmark | GPT-5.4 Pro | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| BrowseCompSource | 89.3% | — | Not comparable |
| Claw-EvalSource | — | 63.8% | Not comparable |
| GDPval-AASource | — | 1265 | Not comparable |
| τ³-bench resultsSource | — | 72.9% | Not comparable |
| Terminal-Bench 2.0Source | — | 68.4% | Not comparable |
| AA Agentic IndexSource | — | 29.1% | Not comparable |
| τ²-bench resultsSource | — | 94.2% | Not comparable |
| GDPval-AASource | — | 38.3% | Not comparable |
| APEX-Agents-AASource | — | 2.4% | Not comparable |
| Gert LabsSource | — | 62.70% | Not comparable |
| AA BriefcaseSource | — | 873 | Not comparable |
| AA ITBenchSource | — | 38.2% | Not comparable |
| terminalBenchHardSource | — | 43.2% | Not comparable |
| aaTerminalBench21Source | — | 65.2% | Not comparable |
| AA Harvey LABSource | — | 73.3% | Not comparable |
Coding4 benchmarks
Reasoning3 benchmarks
KnowledgeGPT-5.4 Pro wins11 benchmarks
| Benchmark | GPT-5.4 Pro | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| HLESource | 58.7% | 48% | GPT-5.4 Pro leads |
| FrontierScienceSource | 36.7% | — | Not comparable |
| FrontierScience ResearchSource | 36.7% | — | Not comparable |
| HLE w/o toolsSource | 42.7% | 34% | GPT-5.4 Pro leads |
| Artificial Analysis Intelligence IndexSource | — | 42.2% | Not comparable |
| AA-GPQA DiamondSource | — | 86.6% | Not comparable |
| AA-HLESource | — | 33.8% | Not comparable |
| AA-Omniscience IndexSource | — | 3.6% | Not comparable |
| AA-Omniscience AccuracySource | — | 22.6% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 24.5% | Not comparable |
| AA Openness IndexSource | — | 38.9% | Not comparable |
Math4 benchmarks
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | GPT-5.4 Pro | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 79.9% | Not comparable |
Frequently Asked Questions (3)
Which is better, GPT-5.4 Pro or MiMo-V2.5-Pro?
MiMo-V2.5-Pro is ahead on BenchLM's BenchAlign leaderboard, 70.19 to 60.89. The biggest single separator in this matchup is HLE, where the scores are 58.7% and 48%.
Which is better for knowledge tasks, GPT-5.4 Pro or MiMo-V2.5-Pro?
GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 58.7 versus 48. Inside this category, HLE is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, GPT-5.4 Pro or MiMo-V2.5-Pro?
GPT-5.4 Pro has the edge for agentic tasks in this comparison, averaging 89.3 versus 68.4. MiMo-V2.5-Pro stays close enough that the answer can still flip depending on your workload.
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