GPT-5 mini vs o1 Pro

Compare OpenAI and OpenAI AI models

OpenAI

GPT-5 mini

OpenAI

o1 Pro

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

GPT-5 mini

Per Request:$0.001250

Daily:$0.125

Monthly:$3.75

Yearly:$45.625

o1 Pro

Per Request:$0.45

Daily:$45.00

Monthly:$1,350.00

Yearly:$16,425.00

Cost Differences

+$0.44875

Per Request

+$44.875

Daily

+$1,346.25

Monthly

+$16,379.375

Yearly

o1 Pro costs more than GPT-5 mini

Feature Comparison

Feature	GPT-5 mini	o1 Pro
Provider	OpenAI	OpenAI
Input Price	$0.25/1M tokens	$150.00/1M tokens
Output Price	$2.00/1M tokens	$600.00/1M tokens
Context Window	500,000 tokens	200,000 tokens
Max Output	65,536 tokens	100,000 tokens
Category	efficient	flagship
Capabilities	textvisioncode	textvisioncodereasoning
Release Date	8/7/2025	12/17/2024

GPT-5 mini vs o1 Pro: Which Should You Choose?

Choosing between GPT-5 mini and o1 Pro depends on your priorities: cost efficiency, context length, or raw capability. GPT-5 mini is the more affordable option at $0.25/1M input tokens — 100% cheaper than o1 Pro. Meanwhile, GPT-5 mini offers a significantly larger context window at 500,000 tokens vs 200,000 for o1 Pro.

These models target different tiers: GPT-5 mini is a efficient model while o1 Pro is flagship. This means they're optimized for different workloads. o1 Pro targets more demanding workloads, while GPT-5 mini provides a cost-effective option for everyday tasks.

Output costs matter too. GPT-5 mini charges $2.00/1M output tokens vs $600.00 for o1 Pro. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-5 mini has the edge here at $2.00/1M output tokens.

Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.

Best Use Cases

Choose GPT-5 mini when:

• Budget is a primary concern
• You need a larger context window (500,000 tokens)
• You're already using OpenAI's API ecosystem
• You're running high-volume, latency-sensitive workloads

Choose o1 Pro when:

• You need more capabilities (reasoning)
• You need longer outputs (up to 100,000 tokens)
• You're already using OpenAI's API ecosystem

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

GPT-5 mini (OpenAI)

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o1 Pro (OpenAI)

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Frequently Asked Questions

Which is cheaper, GPT-5 mini or o1 Pro?▼

GPT-5 mini is cheaper for input tokens at $0.25 per million tokens vs $150.00 for o1 Pro — that's 100% savings on input costs.

What is the context window difference between GPT-5 mini and o1 Pro?▼

GPT-5 mini supports 500,000 tokens while o1 Pro supports 200,000 tokens — a difference of 300,000 tokens in favor of GPT-5 mini.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, GPT-5 mini is the lower-cost option, while GPT-5 mini offers a larger context window (500,000 vs 200,000 tokens). Choose GPT-5 mini for budget sensitivity or GPT-5 mini 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 mini costs about $3.75/month and o1 Pro costs about $1,350.00/month. Overall, GPT-5 mini has lower combined input + output rates ($0.25 in, $2.00 out) vs o1 Pro.