DeepSeek V4 Flash 0731 vs Gemini 2.5 Pro
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
DeepSeek V4 Flash 0731 by Alibaba wins on 11 of 11 benchmarks against Gemini 2.5 Pro by Google, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, DeepSeek V4 Flash 0731 scores 34.5 on AA Intelligence Index compared to Gemini 2.5 Pro's 16.7.
Coding: In coding, DeepSeek V4 Flash 0731 scores 69.1 on AA Coding Index compared to Gemini 2.5 Pro's 33.3, while DeepSeek V4 Flash 0731 scores 1217 on Design Arena ELO compared to Gemini 2.5 Pro's 1164, while DeepSeek V4 Flash 0731 scores 1250 on Website Arena ELO compared to Gemini 2.5 Pro's 1179.
Reasoning: In reasoning, DeepSeek V4 Flash 0731 scores 85.1% on GPQA Diamond compared to Gemini 2.5 Pro's 79.9%, while DeepSeek V4 Flash 0731 scores 41.7 on AA Agentic Index compared to Gemini 2.5 Pro's 3.5, while DeepSeek V4 Flash 0731 scores 72.8% on τ²-Bench Airline compared to Gemini 2.5 Pro's 61.3%.
Context: In context, DeepSeek V4 Flash 0731 scores 1.3M on Context Length compared to Gemini 2.5 Pro's 1.0M.
Pricing Comparison
DeepSeek V4 Flash 0731 costs $0.06/1M input tokens and $0.12/1M output tokens, while Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output. DeepSeek V4 Flash 0731 is the more affordable option for API usage.
Verdict
DeepSeek V4 Flash 0731 leads across the board in affordability, making it the stronger overall choice in this comparison.
View Individual Model Pages
DeepSeek V4 Flash 0731 vs Gemini 2.5 Pro — FAQ
Which is better, DeepSeek V4 Flash 0731 or Gemini 2.5 Pro?
DeepSeek V4 Flash 0731 wins on more benchmarks overall (11 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.
How does DeepSeek V4 Flash 0731 compare to Gemini 2.5 Pro for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is DeepSeek V4 Flash 0731 cheaper than Gemini 2.5 Pro?
Yes, DeepSeek V4 Flash 0731 is cheaper. DeepSeek V4 Flash 0731 costs $0.06/1M input and $0.12/1M output tokens. Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output tokens.
Which is faster, DeepSeek V4 Flash 0731 or Gemini 2.5 Pro?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the DeepSeek V4 Flash 0731 vs Gemini 2.5 Pro comparison cover?
This comparison covers 11 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Intelligence Index, AA Coding Index, AA Agentic Index, Cached Input Cost, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.