GPT-5 vs Mistral Large 3
OpenAI vs Mistral — Mistral Large 3 is 60% cheaper on input and 85% cheaper on output, with similar context.
Pricing data verified: Jun 10, 2026
| Specification | GPT-5 | Mistral Large 3 |
|---|---|---|
| Input Price (per 1M tokens) | $1.25 | $0.50 |
| Output Price (per 1M tokens) | $10.00 | $1.50 |
| Context Window | 272K tokens | 262K tokens |
| Tier | Flagship | Budget |
| Provider | OpenAI | Mistral |
| Cost at 1M input + 500K output | $6.25 | $1.25 |
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Which Model for Which Use Case?
Budget Flagship Alternative
Mistral Large 3 at $0.50/M input delivers near-flagship quality at 60% less than GPT-5. For startups wanting quality without the premium price, Mistral is compelling.
Highest Quality Output
GPT-5 is OpenAI's most capable model for its price point. For applications requiring the best reasoning and generation quality, GPT-5 delivers.
EU Data Sovereignty
Mistral is French with EU infrastructure. If GDPR compliance and data residency matter, Mistral Large 3 provides both at budget pricing.
High-Volume Workloads
At $0.50/M input, Mistral Large 3 is ideal for high-volume applications where cost per token drives the budget. GPT-5 at $1.25/M is 2.5x more expensive.
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Frequently Asked Questions
Is Mistral Large 3 cheaper than GPT-5?
Yes. Mistral Large 3 costs $0.50/M input and $1.50/M output. GPT-5 costs $1.25/M input and $10.00/M output. Mistral is 60% cheaper on input and 85% cheaper on output. For 1M input + 500K output/month, Mistral costs $1.25 vs GPT-5's $6.25 — saving $5.00/month (80%).
Which has a larger context window?
GPT-5 has a 272K token context window, which is slightly larger than Mistral Large 3's 262K. The difference is minimal — both handle similar context sizes.
When should I choose GPT-5 over Mistral Large 3?
Choose GPT-5 when: (1) you need OpenAI's flagship quality, (2) you want the broader ecosystem, (3) your workload requires the highest reasoning. Choose Mistral Large 3 when: (1) cost is critical (60-85% cheaper), (2) you want an EU-based provider, (3) Mistral's quality meets your needs.
Are both models production-ready?
Both support production workloads. GPT-5 is OpenAI's flagship with the highest quality. Mistral Large 3 offers excellent value at 60-85% lower cost with EU data sovereignty.