Model Comparison 2026

DeepSeek V4 Flash vs Gemini 3.1 Flash Lite

DeepSeek V4 Flash
DeepSeek · Budget · Open weights
$0.18/1M · 1.0M ctx
Gemini 3.1 Flash Lite
Google · Budget · Proprietary
$0.63/1M · 1.0M ctx

Community Vote

Pick a winner in each dimension — change your vote anytime.

Output Quality
Correctness and depth of what it produces
Agentic Ability
Tool calls, instruction-following, and multi-step tasks
Speed
Tokens per second and time-to-first-token
Value for $
How much capability you get per dollar
Reliability
Consistent results — fewer refusals, loops, and format breaks

Specs & Pricing, Side by Side

Spec
DeepSeek V4 Flash
Flash Lite
Maker
DeepSeek
Google
Blended price / 1M
$0.18
$0.63
Input / output
$0.14 in · $0.28 out / 1M tokens
$0.25 in · $1.50 out / 1M tokens
Context window
1.0M
1.0M
Open weights
Yes
No
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
8.2
7.4
Agentic Ability
8.1
7.2
Speed
9.0
9.6
Value for $
10.0
8.6
Reliability
8.9
8.5

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: DeepSeek V4 Flash or Flash Lite?

Updated 2026-08-02

Choose DeepSeek V4 Flash if you want cheap, high-volume open-weight agent steps. Choose Gemini 3.1 Flash Lite if you want cheap, high-volume steps that still need long context.

In our editorial scoring, DeepSeek V4 Flash leads in 4 of five dimensions (output quality, agentic ability, value for $ and reliability), while Gemini 3.1 Flash Lite leads in 1. On price, DeepSeek V4 Flash runs about $0.18 per 1M tokens (blended) and is open-weight; Gemini 3.1 Flash Lite is about $0.63 and proprietary.

Where DeepSeek V4 Flash falls short
  • Not for the hardest tasks
  • Quality below V4 Pro
Full DeepSeek V4 Flash breakdown →
Where Flash Lite falls short
  • Lowest quality of the Gemini line
  • Struggles on complex multi-step tasks
Full Flash Lite breakdown →

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