GPT-5.4 Nano vs Mistral Small 4

Price, context window & benchmark comparison

O

GPT-5.4 Nano

OpenAI
$0.20 / $1.25
Input / Output · per 1M tokens
VS
M

Mistral Small 4

Mistral AI
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
O
M
Verdict: Mistral Small 4 is 43% cheaper than GPT-5.4 Nano on a typical 3:1 input/output mix. GPT-5.4 Nano scores higher on the Artificial Analysis Intelligence Index (20.7 vs 11.3). GPT-5.4 Nano has the larger context window (400K vs 262K).
GPT-5.4 NanoMistral Small 4
Input price / 1M$0.20$0.15
Output price / 1M$1.25$0.60
Blended price (3:1)$0.46$0.26
Cached input / 1M$0.02$0.015
Context window400K262K
Max output128K210K
Intelligence index20.711.3
Coding index56.126.6
Providers3
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-03-172026-03-16
Retirement

Cost calculator

FAQ

Which is cheaper, GPT-5.4 Nano or Mistral Small 4?

Mistral Small 4 is 43% cheaper than GPT-5.4 Nano on a typical 3:1 input/output mix.

GPT-5.4 Nano vs Mistral Small 4: which has a bigger context window?

GPT-5.4 Nano: 400,000 tokens. Mistral Small 4: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-5.4 Nano ≈ $1,025, Mistral Small 4 ≈ $600.00.

More comparisons