Standard Compute
Model Comparison 2026

DeepSeek V4 Flash vs Devstral 2

DeepSeek V4 Flash
DeepSeek · Budget · Open weights
$0.18/1M · 1.0M ctx
Devstral 2
Mistral · Balanced · Open weights
$0.88/1M · 262K 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
Devstral 2
Maker
DeepSeek
Mistral
Blended price / 1M
$0.18
$0.88
Input / output
$0.14 in · $0.28 out / 1M tokens
$0.40 in · $2.00 out / 1M tokens
Context window
1.0M
262K
Open weights
Yes
Yes
Tool use
Yes
Yes
Reasoning
Yes
No
Output Quality
8.2
7.8
Agentic Ability
8.1
8.6
Speed
9.0
8.2
Value for $
10.0
8.8
Reliability
8.9
8.7

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

Verdict: DeepSeek V4 Flash or Devstral 2?

Updated 2026-08-02

Choose DeepSeek V4 Flash if you want cheap, high-volume open-weight agent steps. Choose Devstral 2 if you want dedicated open-weight coding agents.

In our editorial scoring, DeepSeek V4 Flash leads in 4 of five dimensions (output quality, speed, value for $ and reliability), while Devstral 2 leads in 1. On price, DeepSeek V4 Flash runs about $0.18 per 1M tokens (blended) and is open-weight; Devstral 2 is about $0.88 and open-weight.

Where DeepSeek V4 Flash falls short
  • Not for the hardest tasks
  • Quality below V4 Pro
Full DeepSeek V4 Flash breakdown →
Where Devstral 2 falls short
  • Narrower than a general model
  • Behind frontier on hard reasoning
Full Devstral 2 breakdown →

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