Head to head

Mistral Large 4 vs GPT-5.4 Mini

Price, context, inputs and filters. No benchmarks theatre.

Swap sides

Mistral Large 4 costs 1.3× less per message.

Mistral Large 4 holds 2.6× more context.

Fact

Mistral Large 4Mistral AI

MainstreamChat with Mistral Large 4

GPT-5.4 MiniOpenAI

MainstreamChat with GPT-5.4 Mini

Made by

Mistral AI

OpenAI

Content tier

Mainstream

Intelligence

Smart & Cheap

Estimated price per message

~1.87 credits≈ 53 messages for $1

~2.44 credits≈ 40 messages for $1

Context window

1M tokens≈ 1,613 pages of text in one go

400K tokens≈ 615 pages of text in one go

Reads

Text, Images

Writes

Text

Tool use

Yes - search, memory, code and more

Served via

OpenRouter, Unbottled AI

Status

Current

Legacy

A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.

Mistral Large 4 details GPT-5.4 Mini details