GPT-5.2 pro vs o1 Pro

Compare OpenAI and OpenAI AI models

OpenAI

GPT-5.2 pro

OpenAI

o1 Pro

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

GPT-5.2 pro

Per Request:$0.105

Daily:$10.50

Monthly:$315.00

Yearly:$3,832.50

o1 Pro

Per Request:$0.45

Daily:$45.00

Monthly:$1,350.00

Yearly:$16,425.00

Cost Differences

+$0.345

Per Request

+$34.50

Daily

+$1,035.00

Monthly

+$12,592.50

Yearly

o1 Pro costs more than GPT-5.2 pro

Feature Comparison

Feature	GPT-5.2 pro	o1 Pro
Provider	OpenAI	OpenAI
Input Price	$21.00/1M tokens	$150.00/1M tokens
Output Price	$168.00/1M tokens	$600.00/1M tokens
Context Window	1,000,000 tokens	200,000 tokens
Max Output	131,072 tokens	100,000 tokens
Category	reasoning	flagship
Capabilities	textvisionaudiocodereasoning	textvisioncodereasoning
Release Date	12/11/2025	12/17/2024

GPT-5.2 pro vs o1 Pro: Which Should You Choose?

Choosing between GPT-5.2 pro and o1 Pro depends on your priorities: cost efficiency, context length, or raw capability. GPT-5.2 pro is the more affordable option at $21.00/1M input tokens — 86% cheaper than o1 Pro. Meanwhile, GPT-5.2 pro offers a significantly larger context window at 1,000,000 tokens vs 200,000 for o1 Pro.

These models target different tiers: GPT-5.2 pro is a reasoning model while o1 Pro is flagship. This means they're optimized for different workloads. GPT-5.2 pro is built for complex tasks that require deeper reasoning, while o1 Pro offers better value for routine operations.

Output costs matter too. GPT-5.2 pro charges $168.00/1M output tokens vs $600.00 for o1 Pro. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-5.2 pro has the edge here at $168.00/1M 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-5.2 pro when:

• Budget is a primary concern
• You need a larger context window (1,000,000 tokens)
• You need more capabilities (audio)
• You need longer outputs (up to 131,072 tokens)
• You're already using OpenAI's API ecosystem

Choose o1 Pro when:

• 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-5.2 pro (OpenAI)

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o1 Pro (OpenAI)

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Frequently Asked Questions

Which is cheaper, GPT-5.2 pro or o1 Pro?▼

GPT-5.2 pro is cheaper for input tokens at $21.00 per million tokens vs $150.00 for o1 Pro — that's 86% savings on input costs.

What is the context window difference between GPT-5.2 pro and o1 Pro?▼

GPT-5.2 pro supports 1,000,000 tokens while o1 Pro supports 200,000 tokens — a difference of 800,000 tokens in favor of GPT-5.2 pro.

Which model is better for AI Agent / Agentic Workflows?▼

Both models support text, code, reasoning. For ai agent / agentic workflows, GPT-5.2 pro is the lower-cost option, while GPT-5.2 pro offers a larger context window (1,000,000 vs 200,000 tokens). Choose GPT-5.2 pro for budget sensitivity or GPT-5.2 pro 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-5.2 pro costs about $315.00/month and o1 Pro costs about $1,350.00/month. Overall, GPT-5.2 pro has lower combined input + output rates ($21.00 in, $168.00 out) vs o1 Pro.