OpenAI vs Mistral AI: LLM APIs Comparison (2026)

An independent side-by-side comparison of OpenAI and Mistral AI for llm apis buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask llm apis questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

OpenAI leads overall — 83% cited vs Mistral AI 67% across 12 probes.
ChatGPT
OpenAI
1 / 1 probes
100%
Excellent
Mistral AI
1 / 1 probes
100%
Excellent
Perplexity
OpenAI
1 / 2 probes
50%
Excellent
Mistral AI
1 / 2 probes
50%
Excellent
Gemini
OpenAILeads
1 / 1 probes
100%
Excellent
Mistral AI
0 / 1 probes
0%
Invisible
Claude
OpenAI
1 / 1 probes
100%
Excellent
Mistral AI
1 / 1 probes
100%
Excellent
Copilot
OpenAI
1 / 1 probes
100%
Excellent
Mistral AI
1 / 1 probes
100%
Excellent
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

OpenAI
Starting price
$0/month
Free tier
Yes
openai.com ↗
Mistral AI
Starting price
$5.99/user/month
Free tier
Yes
mistral.ai ↗

Key Features

OpenAI
  • ✓Limited access to GPT-5.5 Instant
  • ✓Limited messages and uploads
  • ✓Limited faster image generation
  • ✓Advanced reasoning with GPT-5.5 Thinking
  • ✓Unlimited GPT-5.3 and file uploads
  • ✓5x or 20x more usage
  • ✓Unlimited memory
  • ✓Unlimited subject to abuse guardrails
Mistral AI
  • ✓State-of-the-art image generation
  • ✓Access to Mistral’s SOTA models
  • ✓Custom models and workflows
  • ✓Unlimited task scheduling for Pro and Team
  • ✓More messages and web searches
  • ✓Domain name verification for Team
  • ✓Audits logs in Enterprise
  • ✓Chat and email support for Pro

When to choose OpenAI

Choose OpenAI if your team prioritizes its strengths over Mistral AI's. Full guidance populates as OpenAI's feature data is indexed.

When to choose Mistral AI

Choose Mistral AI if your team prioritizes its strengths over OpenAI's. Full guidance populates as Mistral AI's feature data is indexed.

AI visibility profiles

Is one of these your brand?

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OpenAI

openai.com

Mistral AI

mistral.ai

Free check

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We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

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