GPT 5.4 vs Mistral Large 2

Direct comparison between openai and mistral for chat models. Specs, prices, strengths, weaknesses — decide on facts.

At a glance

  • · Cheaper: Mistral Large 2
  • · Longer context window: GPT 5.4 at 400,000 tokens
  • · GPT 5.4: Better tool-use accuracy than GPT-5.3 with shorter outputs
  • · Mistral Large 2: EU-hosted — GDPR-friendly without US data export

Spec comparison

SpecGPT 5.4Mistral Large 2
Provideropenaimistral
Input per 1M tokens$2.50 / 1M$2.00 / 1M
Output per 1M tokens$15.00 / 1M$6.00 / 1M
Context window400,000 tok128,000 tok
Max output16,384 tok8,192 tok
Knowledge cutoff2026-01
Vision
Tool calling
JSON mode
Structured output
Reasoning

GPT 5.4 — strengths

  • +Better tool-use accuracy than GPT-5.3 with shorter outputs
  • +Native vision for screenshots, charts, and documents
  • +400k context — fits code repos and long conversations

Mistral Large 2 — strengths

  • +EU-hosted — GDPR-friendly without US data export
  • +Strong on European languages (DE, FR, IT, ES)
  • +Solid tool calling and JSON mode

GPT 5.4 — weaknesses

  • Pricier per token than Sonnet 4.6 at comparable coding quality
  • Reasoning mode noticeably increases latency over standard calls

Mistral Large 2 — weaknesses

  • Code quality behind Sonnet 4.6 and GPT-5.4
  • No native vision
Details: GPT 5.4Details: Mistral Large 2