Head-to-head
DeepSeek V4.1 Flash vs Gemini 3.1 Pro
As of October 26, 2026, Gemini 3.1 Pro leads DeepSeek V4.1 Flash on the Analyzer Index, 84.9 to 81.5.
Normalized scores are min-maxed per benchmark across all models we track (0–100). Open the interactive compare view to add benchmarks to the radar chart or pull in more models.
DeepSeek V4.1 Flash
DeepSeekGemini 3.1 Pro
Google| At a glance | DeepSeek V4.1 Flash | Gemini 3.1 Pro |
|---|---|---|
| Analyzer Index | 81.5 (6/13) | 84.9 (10/13) |
| Blended price | $0.27/M | $2.25/M |
| Cheapest host | $0.11/M | maker's API |
| Context | 1.0M | 2.0M |
| Output speed | 137 tok/s | — |
| Time to first token | 1.04 s | — |
| Benchmark | DeepSeek V4.1 Flash | Gemini 3.1 Pro |
|---|---|---|
Chatbot Arena Elo Arena | ||
SWE-bench Verified SWE-bench | — | |
MMMU-Pro MMMU-Pro | — | |
Output Speed Speed | — | |
Time to First Token TTFT | — | |
Rolling Contamination-Controlled Average Rolling Avg | ||
Rolling Data Analysis Data Analysis | ||
FrontierMath Tiers 1-3 FrontierMath | — | |
SimpleQA Verified SimpleQA | ||
OTIS Mock AIME 2024-2025 OTIS AIME | ||
Humanity's Last Exam HLE | — | |
ARC-AGI 2 ARC-AGI 2 | ||
Terminal-Bench 2 TermBench 2 | — | |
Frontier Composite Frontier | ||
API Success Rate API OK | — |
Methodology matches the main AI Model Analyzer About page.