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Model comparison

DeepSeek-R1 vs Gemini 3.1 Flash-Lite

Data verified

Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

DeepSeek
51.67/100
Margin
0.8pts
← winning
50.83/100
0 category wins0 category wins

Public leaderboard positions: DeepSeek-R1 #103 (Supported); Gemini 3.1 Flash-Lite #111 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek-R1 and Gemini 3.1 Flash-Lite share 11 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to DeepSeek-R1; 9 to Gemini 3.1 Flash-Lite.

Updated July 20, 2026
Shared results
11
DeepSeek-R1 only
0
Gemini 3.1 Flash-Lite only
9
Comparable categories
0 / 8

Benchmark data for DeepSeek-R1 and Gemini 3.1 Flash-Lite is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 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.

DeepSeek-R1 is priced at $0.55 input / $2.19 output per 1M tokens, versus $0.25 input / $1.50 output per 1M tokens for Gemini 3.1 Flash-Lite. Gemini 3.1 Flash-Lite has the larger context window at 1M, compared with 128K for DeepSeek-R1.

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 scores and score margins for DeepSeek-R1 and Gemini 3.1 Flash-Lite
CategoryDeepSeek-R1ΔGemini 3.1 Flash-Lite
MultimodalDeepSeek-R1Not measuredMarginNo overlapGemini 3.1 Flash-Lite73.2

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricDeepSeek-R1Gemini 3.1 Flash-LiteComparison
Input / output priceUSD per 1M tokensDeepSeek-R1$0.55 input / $2.19 outputGemini 3.1 Flash-Lite$0.25 input / $1.5 outputGemini 3.1 Flash-Lite has the lower combined listed price.
Generation speedtokens per secondDeepSeek-R1Not availableGemini 3.1 Flash-Lite205 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek-R1Not availableGemini 3.1 Flash-Lite7.50 sA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek-R1128KGemini 3.1 Flash-Lite1MGemini 3.1 Flash-Lite lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkDeepSeek-R1Gemini 3.1 Flash-LiteResult
τ²-bench resultsSource 36.5%31.3%DeepSeek-R1 leads
AA Agentic IndexSource 6.2%Not comparable
APEX-Agents-AASource 12.2%Not comparable
GDPval-AASource 7.1%Not comparable
GDPval-AASource 642Not comparable
Gert LabsSource 38.46%Not comparable
Coding
BenchmarkDeepSeek-R1Gemini 3.1 Flash-LiteResult
AA-SciCodeSource 40.3%41.9%Gemini 3.1 Flash-Lite leads
Vibe Code BenchSource 0.00%Not comparable
AA Coding IndexSource 34.7%Not comparable
Reasoning
BenchmarkDeepSeek-R1Gemini 3.1 Flash-LiteResult
AA-LCRSource 54.7%65.3%Gemini 3.1 Flash-Lite leads
CritPtSource 1.4%1.1%DeepSeek-R1 leads
Knowledge
BenchmarkDeepSeek-R1Gemini 3.1 Flash-LiteResult
Artificial Analysis Intelligence IndexSource 20.1%25.0%Gemini 3.1 Flash-Lite leads
AA-GPQA DiamondSource 81.3%82.2%Gemini 3.1 Flash-Lite leads
AA-HLESource 14.9%16.2%Gemini 3.1 Flash-Lite leads
AA-Omniscience IndexSource -27.1%-15.5%Gemini 3.1 Flash-Lite leads
AA-Omniscience AccuracySource 31.0%36.4%Gemini 3.1 Flash-Lite leads
AA-Omniscience Hallucination RateSource 84.0%81.6%Gemini 3.1 Flash-Lite leads
Multimodal
BenchmarkDeepSeek-R1Gemini 3.1 Flash-LiteResult
CharXivSource 73.2%Not comparable
AA-MMMU-ProSource 75.5%Not comparable
Inst. Following
BenchmarkDeepSeek-R1Gemini 3.1 Flash-LiteResult
AA-IFBenchSource 39.6%77.2%Gemini 3.1 Flash-Lite leads
Frequently Asked Questions (3)

Can I compare DeepSeek-R1 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-R1 and Gemini 3.1 Flash-Lite today?

DeepSeek-R1: $0.55 input / $2.19 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.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

DeepSeek-R1
API / mo$2,055
Self-host / mo$18,221
Break-even583M/day
Gemini 3.1 Flash-Lite
API / mo$1,313
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Model the full break-even

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Last updated: July 20, 2026

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