DeepSeek V4 Flash 0731 vs Devstral 2 2512

Price, context window & benchmark comparison

DeepSeek V4 Flash 0731

DeepSeek

$0.12 / $0.24

Input / Output · per 1M tokens

Devstral 2 2512

Mistral AI

$0.40 / $2.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4 Flash 0731 is 5.4× cheaper than Devstral 2 2512 on a typical 3:1 input/output mix. DeepSeek V4 Flash 0731 has the larger context window (1M vs 262K).

	DeepSeek V4 Flash 0731	Devstral 2 2512
Input price / 1M	$0.12	$0.40
Output price / 1M	$0.24	$2.00
Blended price (3:1)	$0.15	$0.80
Cached input / 1M	$0.0238	$0.04
Context window	1M	262K
Max output	944K	210K
Intelligence index	—	—
Coding index	69.1	31.3
Providers	26	1
Best provider uptime (30m)	100.0%	100.0%
Vision input	No	No
Reasoning	Yes	No
Tool calling	Yes	Yes
Released	2026-07-31	2025-12-09
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4 Flash 0731 or Devstral 2 2512?

DeepSeek V4 Flash 0731 is 5.4× cheaper than Devstral 2 2512 on a typical 3:1 input/output mix.

DeepSeek V4 Flash 0731 vs Devstral 2 2512: which has a bigger context window?

DeepSeek V4 Flash 0731: 1,048,576 tokens. Devstral 2 2512: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0731 ≈ $357.00, Devstral 2 2512 ≈ $1,800.

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