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Devstral Small (Jul '25)

Mistral·Released 2025-07-10
Open Source131K ctxMultimodal

About

Devstral Small 1.1 is a 24B parameter open-weight language model for software engineering agents, developed by Mistral AI in collaboration with All Hands AI. Finetuned from Mistral Small 3.1 and...

Pricing

Input

$0.10

per 1M tokens

Output

$0.30

per 1M tokens

Blended

$0.15

per 1M tokens

Cheaper than 75% of models. Median price is $0.54/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$0.15

Monthly

$4.50

vs. Similar Models

Perplexity: Sonar ProQ:0.0
$6.00+3900%
Qwen3 30B A3B (Reasoning)Q:0.0
$0.18+20%
QwQ 32B-PreviewQ:-0.1
$0.14-10%
Perplexity: SonarQ:+0.2
$1.00+567%

Performance

40

tokens/sec

Faster than 9% of models

0.62

seconds

Faster than 75% of models

0.62

seconds

Faster than 83% of models

Market Median

94 tok/s

57% slower

Median TTFT

1.10s

44% faster

Throughput/Dollar

266

tok/s per $/1M

Speed Comparison

Devstral 2
40 tok/s-0%
Hermes 4 - Llama-3.1 405B (Non-reasoning)
40 tok/s-0%
Qwen3.5 4B (Non-reasoning)
40 tok/s-1%

Context Window

131K

tokens

Larger than 27% of models

Benchmarks

MMLU-Pro
62.2%
GPQA Diamond
41.4%
HLE
3.7%
LiveCodeBench
25.4%
SciCode
24.3%
TerminalBench Hard
6.1%
MATH-500
63.5%
AIME
0.3%
AIME 2025
29.3%
IFBench
34.6%
Long Context Recall
17.0%
Tau2
28.4%
Market AverageTop Score

Open Source

Quick Compare

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