Skip to main content

GPT-5 nano vs Ministral 3 14B

GPT-5 nano vs Ministral 3 14B: GPT-5 nano is cheaper for input-heavy usage ($0.05/M vs $0.20/M input tokens), while Ministral 3 14B is better for long-context tasks (256,000 tokens).

Direct answer: choose GPT-5 nano for lower token spend and choose Ministral 3 14B 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.

OpenAI
GPT-5 nano
vs
Mistral AI
Ministral 3 14B

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

GPT-5 nano

Per Request:$0.000250
Daily:$0.025
Monthly:$0.75
Yearly:$9.125

Ministral 3 14B

Per Request:$0.000300
Daily:$0.03
Monthly:$0.90
Yearly:$10.95

Cost Differences

+$0.000050
Per Request
+$0.005000
Daily
+$0.15
Monthly
+$1.825
Yearly

Ministral 3 14B costs more than GPT-5 nano

Quick Recommendation

Winner for direct API pricing: GPT-5 nano. At the default workload, GPT-5 nano saves about $0.15/month ($1.825/year) versus Ministral 3 14B.

Feature Comparison

FeatureGPT-5 nanoMinistral 3 14B
ProviderOpenAIMistral AI
Input Price$0.05/1M tokens$0.20/1M tokens
Output Price$0.40/1M tokens$0.20/1M tokens
Context Window128,000 tokens256,000 tokens
Max Output8,192 tokens32,768 tokens
Categoryefficientbalanced
Capabilities
text
textvision
Release Date8/7/202512/2/2025

GPT-5 nano vs Ministral 3 14B: Which Should You Choose?

Choosing between GPT-5 nano and Ministral 3 14B depends on your priorities: cost efficiency, context length, or raw capability. Ministral 3 14B is the more affordable option at $0.20/1M input tokens. Meanwhile, Ministral 3 14B 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.

These models target different tiers: GPT-5 nano is a efficient model while Ministral 3 14B is balanced. This means they're optimized for different workloads. Ministral 3 14B targets more demanding workloads, while GPT-5 nano provides a cost-effective option for everyday tasks.

Output costs matter too. GPT-5 nano charges $0.40/1M output tokens vs $0.20 for Ministral 3 14B. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Ministral 3 14B has the edge here at $0.20/1M output tokens.

Multimodal capabilities: Ministral 3 14B 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 14B 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

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 14B
  • Smaller context window than Ministral 3 14B

Ministral 3 14B

  • Input pricing: $0.20/M tokens
  • Output pricing: $0.20/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 14B (Mistral AI)

Start using GPT-5 nano today

Sign Up for OpenAI

Start using Ministral 3 14B today

Sign Up for Mistral AI

Frequently Asked Questions

Which is cheaper, GPT-5 nano or Ministral 3 14B?
Ministral 3 14B is cheaper for input tokens at $0.20 per million tokens vs $0.05 for GPT-5 nano.
What is the context window difference between GPT-5 nano and Ministral 3 14B?
GPT-5 nano supports 128,000 tokens while Ministral 3 14B supports 256,000 tokens — a difference of 128,000 tokens in favor of Ministral 3 14B.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Ministral 3 14B is the lower-cost option, while Ministral 3 14B offers a larger context window (256,000 vs 128,000 tokens). Choose Ministral 3 14B for budget sensitivity or Ministral 3 14B for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, GPT-5 nano costs about $0.75/month and Ministral 3 14B costs about $0.90/month. Overall, Ministral 3 14B has lower combined input + output rates ($0.20 in, $0.20 out) vs GPT-5 nano.
Where can I compare OpenAI and Mistral AI API pricing beyond this model matchup?
See the OpenAI vs Mistral AI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.

Related Comparisons

Related Articles

Learn when to pick each model, then compare live pricing scenarios.