Model comparison
Gemma 4 12B vs Mistral Small 4 (Reasoning)
Head-to-head evidence from 12 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Gemma 4 12B #137 (Estimated); Mistral Small 4 (Reasoning) unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Gemma 4 12B and Mistral Small 4 (Reasoning) share 12 comparable benchmark results. 0 of 8 categories are comparable. 11 results are unique to Gemma 4 12B; 4 to Mistral Small 4 (Reasoning).
Updated July 23, 2026- Shared results
- 12
- Gemma 4 12B only
- 11
- Mistral Small 4 (Reasoning) only
- 4
- Comparable categories
- 0 / 8
Benchmark data for Gemma 4 12B and Mistral Small 4 (Reasoning) is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 12 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
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 12B | Δ | Mistral Small 4 (Reasoning) |
|---|---|---|---|
| Reasoning | Gemma 4 12B43.4 | MarginNo overlap | Mistral Small 4 (Reasoning)Not measured |
| Knowledge | Gemma 4 12B77.5 | MarginNo overlap | Mistral Small 4 (Reasoning)Not measured |
| Math | Gemma 4 12B77.5 | MarginNo overlap | Mistral Small 4 (Reasoning)Not measured |
| Multimodal | Gemma 4 12B69.1 | MarginNo overlap | Mistral Small 4 (Reasoning)Not measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Gemma 4 12B | Mistral Small 4 (Reasoning) | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemma 4 12BNot available | Mistral Small 4 (Reasoning)$0.15 input / $0.6 output | A complete price comparison is not available. |
| Generation speedtokens per second | Gemma 4 12BNot available | Mistral Small 4 (Reasoning)Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Gemma 4 12BNot available | Mistral Small 4 (Reasoning)Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Gemma 4 12B256K | Mistral Small 4 (Reasoning)256K | Listed context windows are equal. |
Benchmark Deep Dive
Agentic4 benchmarks
Coding2 benchmarks
Reasoning4 benchmarks
Knowledge11 benchmarks
| Benchmark | Gemma 4 12B | Mistral Small 4 (Reasoning) | Result |
|---|---|---|---|
| GPQASource | 78.8% | — | Not comparable |
| GPQA-DSource | 78.8% | — | Not comparable |
| MMLU-ProSource | 77.2% | — | Not comparable |
| HLE w/o toolsSource | 5.2% | — | Not comparable |
| MMMLUSource | 83.4% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 22.0% | 19.6% | Gemma 4 12B leads |
| AA-GPQA DiamondSource | 75.3% | 76.9% | Mistral Small 4 (Reasoning) leads |
| AA-HLESource | 14.8% | 9.5% | Gemma 4 12B leads |
| AA-Omniscience IndexSource | -51.9% | -29.9% | Mistral Small 4 (Reasoning) leads |
| AA-Omniscience AccuracySource | 16.0% | 22.1% | Mistral Small 4 (Reasoning) leads |
| AA-Omniscience Hallucination RateSource | 80.8% | 66.8% | Mistral Small 4 (Reasoning) leads |
Math1 benchmarks
| Benchmark | Gemma 4 12B | Mistral Small 4 (Reasoning) | Result |
|---|---|---|---|
| AIME26Source | 77.5% | — | Not comparable |
Multimodal4 benchmarks
Inst. Following1 benchmarks
| Benchmark | Gemma 4 12B | Mistral Small 4 (Reasoning) | Result |
|---|---|---|---|
| AA-IFBenchSource | 73.5% | 48.2% | Gemma 4 12B leads |
Frequently Asked Questions (3)
Can I compare Gemma 4 12B and Mistral Small 4 (Reasoning) on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Gemma 4 12B and Mistral Small 4 (Reasoning) today?
Mistral Small 4 (Reasoning): $0.15 input / $0.60 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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