Gemini 2.5 Flash vs DeepSeek Chat V3

Performance benchmarks + pricing comparison — updated April 2026

Gemini 2.5 Flash

Google

Fast and affordable Google model. Great for high-volume coding and processing.

Input$0.150/M
Output$0.600/M
Context1M tokens
Best ForHigh-volume coding, data processing, fast responses

DeepSeek Chat V3

DeepSeek

Very affordable general-purpose model from DeepSeek. Strong coding and reasoning at low cost.

Input$0.270/M
Output$1.10/M
Context128K tokens
Best ForCost-sensitive projects, coding, general tasks
Benchmark62/100

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGemini 2.5 FlashDeepSeek Chat V3Savings
Small Script (1K lines) $0.02 $0.04 Gemini 2.5 Flash saves $0.02 (45%)
Medium Feature (10K lines) $0.17 $0.31 Gemini 2.5 Flash saves $0.14 (45%)
Large Project (50K lines) $0.86 $1.57 Gemini 2.5 Flash saves $0.71 (45%)
Code Review (5K lines) $0.04 $0.07 Gemini 2.5 Flash saves $0.03 (45%)

Verdict

Gemini 2.5 Flash wins on both price and performance — $0.150/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models