OpenAI • Released 2026

GPT-5 Mini

OpenAI’s smaller GPT-5 model optimized for cost-effective chat and reasoning tasks.

$3.00 / 1M tokens
64k context
85.5% overall score

Performance Benchmarks

MMLU (General Knowledge)

Measures broad knowledge across 57 subjects

86%

Coding Performance

Code generation, debugging, and understanding

85%

Reasoning & Logic

Complex problem-solving and analytical thinking

85.5%

Overall Score: 85.5% - Excellent performance, top-tier model

About GPT-5 Mini

OpenAI’s smaller GPT-5 model optimized for cost-effective chat and reasoning tasks.

GPT-5 Mini is designed for compact reasoning, chatbots, low-cost production, making it an ideal choice for developers and businesses looking for balanced AI capabilities. With a context window of 64k, it can handle standard conversations and documents.

Priced at $3.00 per million tokens, GPT-5 Mini offers balanced cost-to-performance ratio. It's particularly well-suited for chatbots, lightweight assistants, semantic search.

Key Strengths

  • Cost-efficient
  • Good reasoning and chat
  • Multimodal support
  • Fast inference
  • Developer-friendly API

Limitations to Consider

  • Smaller context
  • Not as strong for large-scale reasoning
  • Closed weights
  • Limited fine-tuning
  • Occasional hallucinations

Ideal Use Cases

GPT-5 Mini excels in the following applications and scenarios:

Chatbots
Lightweight assistants
Semantic search
Content summarization
Low-cost production AI

Pricing & Cost Analysis

Price per 1M tokens $3.00

Mid-range pricing with strong capabilities

10M tokens/month
$30.00
~300K words
100M tokens/month
$300.00
~3M words
1B tokens/month
$3000.00
~30M words

💡 Cost Tip: For applications processing over 1 billion tokens monthly, consider exploring more cost-effective alternatives for non-critical tasks.

Quick Stats

Provider OpenAI
Release Date 2026
Context Window 64k
Max Output 64,000
Overall Score 85.5%
Vision Support ✓ Yes
Function Calling ✓ Yes

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Frequently Asked Questions

What is GPT-5 Mini best used for?

GPT-5 Mini is specifically optimized for compact reasoning, chatbots, low-cost production. It excels in chatbots, lightweight assistants, semantic search, making it ideal for both individuals and enterprises looking for reliable AI capabilities in these areas.

How much does GPT-5 Mini cost?

GPT-5 Mini is priced at $3.00 per million tokens. For typical usage of 10 million tokens per month (approximately 300,000 words), this translates to $30.00 monthly. This pricing offers a good balance between cost and capability.

How does GPT-5 Mini compare to GPT-4?

GPT-5 Mini provides solid performance with a coding score of 85% and reasoning score of 85.5%. At $3.00 per million tokens, it's more cost-effective than GPT-4 Turbo's $10.00 pricing. See detailed comparison →

What is the context window size?

GPT-5 Mini has a 64k context window, which is suitable for standard conversations and documents.

Ready to Try GPT-5 Mini?

Get started today or compare with other models to find the perfect fit for your needs