DeepSeekDeepSeek V4 FlashVSGoogleGemini 3.5 Flash Lite

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

This matchup represents a clear tradeoff between peak intelligence and budget efficiency. Gemini 3.5 Flash Lite is noticeably superior (holding a 4.6% average lead in benchmarks), but it carries a significant 4.9x price premium. Choose Gemini 3.5 Flash Lite if you need top-tier reasoning or code debugging, but for high-volume pipelines, DeepSeek V4 Flash is the smarter business decision.

Was this recommendation helpful?

Model Specs

DeepSeek V4 Flash

Open SourceAPI Available

Website 🤗HF

Benchmarks & Scores

Coding (swe-bench-pro)

49.1%

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)

80%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)4.9x cheaper

$0.17Input: $0.14 | Output: $0.28

Context Window

1.05M tokens

Model Specs

Gemini 3.5 Flash Lite

Website

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+5.1%)

54.2%

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)Winner (+4.0%)

84%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)

$0.85Input: $0.30 | Output: $2.50

Context Window

1.05M tokens

Read our data collection methodology

Frequently Asked Questions about DeepSeek V4 Flash vs Gemini 3.5 Flash Lite

DeepSeek V4 Flash is cheaper than Gemini 3.5 Flash Lite. DeepSeek V4 Flash has a blended cost of $0.17/1M tokens, which is about 4.9x cheaper than Gemini 3.5 Flash Lite at $0.85/1M tokens.

Gemini 3.5 Flash Lite is better for coding tasks on this benchmark. It scores 54.2% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to DeepSeek V4 Flash which scores 49.1%.

Related Matchups

Explore similar comparisons for DeepSeek V4 Flash and Gemini 3.5 Flash Lite.

Browse More Comparisons

DeepSeekDeepSeek V4 Flash

OpenAIGPT-5.5

Compare Specs

GoogleGemini 3.5 Flash Lite

OpenAIGPT-5.6 Sol

Compare Specs

DeepSeekDeepSeek V4 Flash

OpenAIGPT-5.6 Terra

Compare Specs

Do you want to find a model for your constraints?

Use our interactive model finder to filter LLMs by reasoning capability, coding performance, cost, and context length.

Open Model Finder