Model comparison
DeepSeek V4 Flash vs Gemini 3.1 Flash-Lite
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 #61 (Estimated); Gemini 3.1 Flash-Lite #111 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. DeepSeek V4 Flash and Gemini 3.1 Flash-Lite share 1 comparable benchmark result. 0 of 8 categories are comparable. 21 results are unique to DeepSeek V4 Flash; 19 to Gemini 3.1 Flash-Lite.
Updated July 23, 2026- Shared results
- 1
- DeepSeek V4 Flash only
- 21
- Gemini 3.1 Flash-Lite only
- 19
- Comparable categories
- 0 / 8
Benchmark data for DeepSeek V4 Flash and Gemini 3.1 Flash-Lite is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 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.
Gemini 3.1 Flash-Lite is priced at $0.25 input / $1.50 output per 1M tokens, versus $0.14 input / $0.28 output per 1M tokens for DeepSeek V4 Flash.
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 | Δ | Gemini 3.1 Flash-Lite |
|---|---|---|---|
| Agentic | DeepSeek V4 Flash49.1 | MarginNo overlap | Gemini 3.1 Flash-LiteNot measured |
| Coding | DeepSeek V4 Flash64.2 | MarginNo overlap | Gemini 3.1 Flash-LiteNot measured |
| Knowledge | DeepSeek V4 Flash38.8 | MarginNo overlap | Gemini 3.1 Flash-LiteNot measured |
| Math | DeepSeek V4 Flash40.8 | MarginNo overlap | Gemini 3.1 Flash-LiteNot measured |
| Multimodal | DeepSeek V4 FlashNot measured | MarginNo overlap | Gemini 3.1 Flash-Lite73.2 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | DeepSeek V4 Flash | Gemini 3.1 Flash-Lite | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | DeepSeek V4 Flash$0.14 input / $0.28 output | Gemini 3.1 Flash-Lite$0.25 input / $1.5 output | DeepSeek V4 Flash has the lower combined listed price. |
| Generation speedtokens per second | DeepSeek V4 FlashNot available | Gemini 3.1 Flash-Lite205 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | DeepSeek V4 FlashNot available | Gemini 3.1 Flash-Lite7.50 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | DeepSeek V4 Flash1M | Gemini 3.1 Flash-Lite1M | Listed context windows are equal. |
Benchmark Deep Dive
Agentic10 benchmarks
| Benchmark | DeepSeek V4 Flash | Gemini 3.1 Flash-Lite | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 49.1% | — | Not comparable |
| MCP AtlasSource | 64% | — | Not comparable |
| ToolathlonSource | 40.7% | — | Not comparable |
| Claw-EvalSource | 57.8% | — | Not comparable |
| Gert LabsSource | 54.35% | 38.46% | DeepSeek V4 Flash leads |
| AA Agentic IndexSource | — | 6.2% | Not comparable |
| APEX-Agents-AASource | — | 12.2% | Not comparable |
| τ²-bench resultsSource | — | 31.3% | Not comparable |
| GDPval-AASource | — | 7.1% | Not comparable |
| GDPval-AASource | — | 642 | Not comparable |
Coding7 benchmarks
| Benchmark | DeepSeek V4 Flash | Gemini 3.1 Flash-Lite | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 73.7% | — | Not comparable |
| SWE-bench ProSource | 49.1% | — | Not comparable |
| SWE MultilingualSource | 69.7% | — | Not comparable |
| Terminal-Bench 2.0Source | 49.1% | — | Not comparable |
| Vibe Code BenchSource | — | 0.00% | Not comparable |
| AA Coding IndexSource | — | 34.7% | Not comparable |
| AA-SciCodeSource | — | 41.9% | Not comparable |
Reasoning4 benchmarks
Knowledge12 benchmarks
| Benchmark | DeepSeek V4 Flash | Gemini 3.1 Flash-Lite | Result |
|---|---|---|---|
| MMLU-ProSource | 83% | — | Not comparable |
| SimpleQASource | 23.1% | — | Not comparable |
| Chinese-SimpleQASource | 71.5% | — | Not comparable |
| GPQASource | 71.2% | — | Not comparable |
| GPQA-DSource | 71.2% | — | Not comparable |
| HLESource | 8.1% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 25.0% | Not comparable |
| AA-GPQA DiamondSource | — | 82.2% | Not comparable |
| AA-HLESource | — | 16.2% | Not comparable |
| AA-Omniscience IndexSource | — | -15.5% | Not comparable |
| AA-Omniscience AccuracySource | — | 36.4% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 81.6% | Not comparable |
Math4 benchmarks
Multimodal3 benchmarks
Inst. Following1 benchmarks
| Benchmark | DeepSeek V4 Flash | Gemini 3.1 Flash-Lite | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 77.2% | Not comparable |
Frequently Asked Questions (3)
Can I compare DeepSeek V4 Flash and Gemini 3.1 Flash-Lite 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 DeepSeek V4 Flash and Gemini 3.1 Flash-Lite today?
DeepSeek V4 Flash: $0.14 input / $0.28 output per 1M tokens Gemini 3.1 Flash-Lite: $0.25 input / $1.50 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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