GPT-5 nano vs Ministral 3 8B
GPT-5 nano vs Ministral 3 8B: GPT-5 nano is cheaper for input-heavy usage ($0.05/M vs $0.15/M input tokens), while Ministral 3 8B is better for long-context tasks (256,000 tokens).
Direct answer: choose GPT-5 nano for lower token spend and choose Ministral 3 8B 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-5 nano
Ministral 3 8B
Cost Differences
Ministral 3 8B costs less than GPT-5 nano
Quick Recommendation
Winner for direct API pricing: Ministral 3 8B. At the default workload, Ministral 3 8B saves about $0.075/month ($0.9125/year) versus GPT-5 nano.
Feature Comparison
| Feature | GPT-5 nano | Ministral 3 8B |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Input Price | $0.05/1M tokens | $0.15/1M tokens |
| Output Price | $0.40/1M tokens | $0.15/1M tokens |
| Context Window | 128,000 tokens | 256,000 tokens |
| Max Output | 8,192 tokens | 32,768 tokens |
| Category | efficient | efficient |
| Capabilities | text | textvision |
| Release Date | 8/7/2025 | 12/2/2025 |
GPT-5 nano vs Ministral 3 8B: Which Should You Choose?
Choosing between GPT-5 nano and Ministral 3 8B depends on your priorities: cost efficiency, context length, or raw capability. Ministral 3 8B is the more affordable option at $0.15/1M input tokens. Meanwhile, Ministral 3 8B offers a significantly larger context window at 256,000 tokens vs 128,000 for GPT-5 nano.
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: Ministral 3 8B would save you roughly $7.50/month compared to GPT-5 nano. For startups and indie developers, that difference can be significant.
Output costs matter too. GPT-5 nano charges $0.40/1M output tokens vs $0.15 for Ministral 3 8B. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Ministral 3 8B has the edge here at $0.15/1M output tokens.
Multimodal capabilities: Ministral 3 8B supports vision (image inputs) while GPT-5 nano is text-only. If your application needs image understanding, this narrows your choice.
Best Use Cases
Choose GPT-5 nano when:
- • Budget is a primary concern
- • You're already using OpenAI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose Ministral 3 8B when:
- • You need a larger context window (256,000 tokens)
- • You need more capabilities (vision)
- • You need longer outputs (up to 32,768 tokens)
- • You're already using Mistral AI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Pros and Caveats at a Glance
GPT-5 nano
- • Input pricing: $0.05/M tokens
- • Output pricing: $0.40/M tokens
- • Context window: 128,000 tokens
- • Max output: 8,192 tokens
Watch out for
- • Higher output cost than Ministral 3 8B
- • Smaller context window than Ministral 3 8B
Ministral 3 8B
- • Input pricing: $0.15/M tokens
- • Output pricing: $0.15/M tokens
- • Context window: 256,000 tokens
- • Max output: 32,768 tokens
Watch out for
- • Higher input cost than GPT-5 nano
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-5 nano (OpenAI)
Ministral 3 8B (Mistral AI)
Start using GPT-5 nano today
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Sign Up for Mistral AI →Frequently Asked Questions
Which is cheaper, GPT-5 nano or Ministral 3 8B?▼
What is the context window difference between GPT-5 nano and Ministral 3 8B?▼
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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