Model comparison
Gemma 4 E4B vs MiMo-V2.5-Pro
Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Gemma 4 E4B #155 (Estimated); MiMo-V2.5-Pro #14 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Gemma 4 E4B and MiMo-V2.5-Pro share 11 comparable benchmark results. 1 of 8 categories are comparable. 3 results are unique to Gemma 4 E4B; 20 to MiMo-V2.5-Pro.
Updated July 21, 2026- Shared results
- 11
- Gemma 4 E4B only
- 3
- MiMo-V2.5-Pro only
- 20
- Comparable categories
- 1 / 8
Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. Gemma 4 E4B only becomes the better choice if knowledge is the priority.
Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 evidence categories; 1 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 43.2. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
MiMo-V2.5-Pro gives you the larger context window at 1M, compared with 128K for Gemma 4 E4B.
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 | Gemma 4 E4B | Δ | MiMo-V2.5-Pro |
|---|---|---|---|
| Knowledge | Gemma 4 E4B67.4 | Margin← 19.4 | MiMo-V2.5-Pro48.0 |
| Agentic | Gemma 4 E4BNot measured | MarginNo overlap | MiMo-V2.5-Pro68.4 |
| Coding | Gemma 4 E4BNot measured | MarginNo overlap | MiMo-V2.5-Pro57.2 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Gemma 4 E4B | MiMo-V2.5-Pro | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemma 4 E4B$0 input / $0 output | MiMo-V2.5-ProNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Gemma 4 E4BNot available | MiMo-V2.5-ProNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Gemma 4 E4BNot available | MiMo-V2.5-ProNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Gemma 4 E4B128K | MiMo-V2.5-Pro1M | MiMo-V2.5-Pro lists the larger context window. |
Benchmark Deep Dive
Agentic14 benchmarks
| Benchmark | Gemma 4 E4B | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| τ²-bench resultsSource | 20.8% | 94.2% | MiMo-V2.5-Pro leads |
| 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 |
| 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
Reasoning2 benchmarks
KnowledgeGemma 4 E4B wins11 benchmarks
| Benchmark | Gemma 4 E4B | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| GPQASource | 58.6% | — | Not comparable |
| MMLU-ProSource | 69.4% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 12.5% | 42.2% | MiMo-V2.5-Pro leads |
| AA-GPQA DiamondSource | 57.6% | 86.6% | MiMo-V2.5-Pro leads |
| AA-HLESource | 3.7% | 33.8% | MiMo-V2.5-Pro leads |
| AA-Omniscience IndexSource | -20.0% | 3.6% | MiMo-V2.5-Pro leads |
| AA-Omniscience AccuracySource | 8.6% | 22.6% | MiMo-V2.5-Pro leads |
| AA-Omniscience Hallucination RateSource | 31.3% | 24.5% | MiMo-V2.5-Pro leads |
| HLESource | — | 48% | Not comparable |
| HLE w/o toolsSource | — | 34% | Not comparable |
| AA Openness IndexSource | — | 38.9% | Not comparable |
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Gemma 4 E4B | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| AA-IFBenchSource | 44.2% | 79.9% | MiMo-V2.5-Pro leads |
Frequently Asked Questions (2)
Which is better, Gemma 4 E4B or MiMo-V2.5-Pro?
MiMo-V2.5-Pro is ahead on BenchLM's BenchAlign leaderboard, 70.19 to 43.2.
Which is better for knowledge tasks, Gemma 4 E4B or MiMo-V2.5-Pro?
Gemma 4 E4B has the edge for knowledge tasks in this comparison, averaging 67.4 versus 48. Inside this category, AA-HLE is the benchmark that creates the most daylight between them.
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