Model comparison
DeepSeek V4 Flash Base vs Gemma 4 31B
Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: DeepSeek V4 Flash Base unranked (Not scored); Gemma 4 31B #43 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. DeepSeek V4 Flash Base and Gemma 4 31B share 1 comparable benchmark result. 1 of 8 categories are comparable. 23 results are unique to DeepSeek V4 Flash Base; 28 to Gemma 4 31B.
Updated July 23, 2026- Shared results
- 1
- DeepSeek V4 Flash Base only
- 23
- Gemma 4 31B only
- 28
- Comparable categories
- 1 / 8
Treat this as a split decision. DeepSeek V4 Flash Base makes more sense if knowledge is the priority or you need the larger 1M context window; Gemma 4 31B is the better fit if you want the stronger reasoning-first profile.
Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
DeepSeek V4 Flash Base and Gemma 4 31B finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Gemma 4 31B is the reasoning model in the pair, while DeepSeek V4 Flash Base is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. DeepSeek V4 Flash Base gives you the larger context window at 1M, compared with 256K for Gemma 4 31B.
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 | DeepSeek V4 Flash Base | Δ | Gemma 4 31B |
|---|---|---|---|
| Knowledge | DeepSeek V4 Flash Base56.4 | Margin← 3.5 | Gemma 4 31B52.9 |
| Coding | DeepSeek V4 Flash BaseNot measured | MarginNo overlap | Gemma 4 31B41.6 |
| Reasoning | DeepSeek V4 Flash Base44.7 | MarginNo overlap | Gemma 4 31BNot measured |
| Multimodal | DeepSeek V4 Flash BaseNot measured | MarginNo overlap | Gemma 4 31B76.9 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
MMLU-Pro
KnowledgeA 68.3%B 85.2%Winner: Gemma 4 31BΔ 16.9MMLU-Pro: DeepSeek V4 Flash Base scored 68.3%; Gemma 4 31B scored 85.2%. Gemma 4 31B wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | DeepSeek V4 Flash Base | Gemma 4 31B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | DeepSeek V4 Flash BaseNot available | Gemma 4 31B$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | DeepSeek V4 Flash BaseNot available | Gemma 4 31BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | DeepSeek V4 Flash BaseNot available | Gemma 4 31BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | DeepSeek V4 Flash Base1M | Gemma 4 31B256K | DeepSeek V4 Flash Base lists the larger context window. |
Benchmark Deep Dive
Agentic9 benchmarks
| Benchmark | DeepSeek V4 Flash Base | Gemma 4 31B | Result |
|---|---|---|---|
| AA Agentic IndexSource | — | 14.4% | Not comparable |
| τ²-bench resultsSource | — | 59.9% | Not comparable |
| GDPval-AASource | — | 15.2% | Not comparable |
| GDPval-AASource | — | 804 | Not comparable |
| Gert LabsSource | — | 35.26% | Not comparable |
| AA EnterpriseOps-GymSource | — | 28.3% | Not comparable |
| AA ITBenchSource | — | 37.3% | Not comparable |
| AA Tau3 BankingSource | — | 15.1% | Not comparable |
| terminalBenchHardSource | — | 36.4% | Not comparable |
Coding6 benchmarks
Reasoning8 benchmarks
| Benchmark | DeepSeek V4 Flash Base | Gemma 4 31B | Result |
|---|---|---|---|
| BBHSource | 86.9% | — | Not comparable |
| DROPSource | 88.6% | — | Not comparable |
| HellaSwagSource | 85.7% | — | Not comparable |
| WinoGrandeSource | 79.5% | — | Not comparable |
| CLUEWSCSource | 82.2% | — | Not comparable |
| LongBench v2Source | 44.7% | — | Not comparable |
| AA-LCRSource | — | 62.0% | Not comparable |
| CritPtSource | — | 1.4% | Not comparable |
KnowledgeDeepSeek V4 Flash Base wins22 benchmarks
| Benchmark | DeepSeek V4 Flash Base | Gemma 4 31B | Result |
|---|---|---|---|
| AGIEvalSource | 82.6% | — | Not comparable |
| MMLUSource | 88.7% | — | Not comparable |
| MMLU-ReduxSource | 89.4% | — | Not comparable |
| MMLU-ProSource | 68.3% | 85.2% | Gemma 4 31B leads |
| MMMLUSource | 88.8% | — | Not comparable |
| C-EvalSource | 92.1% | — | Not comparable |
| CMMLUSource | 90.4% | — | Not comparable |
| MultiLoKoSource | 42.2% | — | Not comparable |
| SimpleQASource | 30.1% | — | Not comparable |
| SuperGPQASource | 46.5% | — | Not comparable |
| FACTS ParametricSource | 33.9% | — | Not comparable |
| TriviaQASource | 82.8% | — | Not comparable |
| GPQASource | — | 84.3% | Not comparable |
| HLESource | — | 26.5% | Not comparable |
| HLE w/o toolsSource | — | 19.5% | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 29.4% | Not comparable |
| AA-GPQA DiamondSource | — | 85.7% | Not comparable |
| AA-HLESource | — | 22.7% | Not comparable |
| AA-Omniscience IndexSource | — | -45.4% | Not comparable |
| AA-Omniscience AccuracySource | — | 19.9% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 81.6% | Not comparable |
| AA Openness IndexSource | — | 38.9% | Not comparable |
Math3 benchmarks
Multilingual1 benchmarks
| Benchmark | DeepSeek V4 Flash Base | Gemma 4 31B | Result |
|---|---|---|---|
| MGSMSource | 85.7% | — | Not comparable |
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | DeepSeek V4 Flash Base | Gemma 4 31B | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 75.6% | Not comparable |
Frequently Asked Questions (2)
Which is better, DeepSeek V4 Flash Base or Gemma 4 31B?
DeepSeek V4 Flash Base and Gemma 4 31B are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for knowledge tasks, DeepSeek V4 Flash Base or Gemma 4 31B?
DeepSeek V4 Flash Base has the edge for knowledge tasks in this comparison, averaging 56.4 versus 52.9. Inside this category, MMLU-Pro is the benchmark that creates the most daylight between them.
Self-host vs API cost
Estimates at 50,000 req/day · 1000 tokens/req average.
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