GPT-4o mini vs Mistral Small 4
GPT-4o mini vs Mistral Small 4: GPT-4o mini is cheaper for input-heavy usage ($0.15/M vs $0.15/M input tokens), while GPT-4o mini is better for long-context tasks (128,000 tokens).
Direct answer: choose GPT-4o mini for lower token spend and choose GPT-4o mini when your workload needs longer context.
Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
GPT-4o mini
Mistral Small 4
Cost Differences
Mistral Small 4 costs less than GPT-4o mini
Quick Recommendation
Winner for direct API pricing: GPT-4o mini. At the default workload, GPT-4o mini saves about $0.00/month ($0.00/year) versus Mistral Small 4.
Feature Comparison
| Feature | GPT-4o mini | Mistral Small 4 |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Input Price | $0.15/1M tokens | $0.15/1M tokens |
| Output Price | $0.60/1M tokens | $0.60/1M tokens |
| Context Window | 128,000 tokens | 128,000 tokens |
| Max Output | 16,384 tokens | 16,384 tokens |
| Category | efficient | efficient |
| Capabilities | textvision | textvisioncodereasoning |
| Release Date | 7/18/2024 | 3/18/2026 |
GPT-4o mini vs Mistral Small 4: Which Should You Choose?
Choosing between GPT-4o mini and Mistral Small 4 depends on your priorities: cost efficiency, context length, or raw capability. Mistral Small 4 is the more affordable option at $0.15/1M input tokens.
These models come from different providers — OpenAI and Mistral AI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with OpenAI, switching to Mistral AIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.
Both models are in the efficient category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: Mistral Small 4 would save you roughly $0.00/month compared to GPT-4o mini. For startups and indie developers, that difference can be significant.
Output costs matter too. GPT-4o mini charges $0.60/1M output tokens vs $0.60 for Mistral Small 4.
Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.
Best Use Cases
Choose GPT-4o mini when:
- • You're already using OpenAI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose Mistral Small 4 when:
- • You need more capabilities (code, reasoning)
- • You're already using Mistral AI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Pros and Caveats at a Glance
GPT-4o mini
- • Input pricing: $0.15/M tokens
- • Output pricing: $0.60/M tokens
- • Context window: 128,000 tokens
- • Max output: 16,384 tokens
Watch out for
- • Trade-offs are minor in this matchup.
Mistral Small 4
- • Input pricing: $0.15/M tokens
- • Output pricing: $0.60/M tokens
- • Context window: 128,000 tokens
- • Max output: 16,384 tokens
Watch out for
- • Trade-offs are minor in this matchup.
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-4o mini (OpenAI)
Mistral Small 4 (Mistral AI)
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Sign Up for Mistral AI →Frequently Asked Questions
Which is cheaper, GPT-4o mini or Mistral Small 4?▼
What is the context window difference between GPT-4o mini and Mistral Small 4?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Where can I compare OpenAI and Mistral AI API pricing beyond this model matchup?▼
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