o1 Pro vs o3 Deep Research

Compare OpenAI and OpenAI AI models

OpenAI

o1 Pro

OpenAI

o3 Deep Research

Try OpenAI →

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

o1 Pro

Per Request:$0.45

Daily:$45.00

Monthly:$1,350.00

Yearly:$16,425.00

o3 Deep Research

Per Request:$0.03

Daily:$3.00

Monthly:$90.00

Yearly:$1,095.00

Cost Differences

$0.42

Per Request

$42.00

Daily

$1,260.00

Monthly

$15,330.00

Yearly

o3 Deep Research costs less than o1 Pro

Feature Comparison

Feature	o1 Pro	o3 Deep Research
Provider	OpenAI	OpenAI
Input Price	$150.00/1M tokens	$10.00/1M tokens
Output Price	$600.00/1M tokens	$40.00/1M tokens
Context Window	200,000 tokens	200,000 tokens
Max Output	100,000 tokens	32,768 tokens
Category	flagship	reasoning
Capabilities	textvisioncodereasoning	textreasoningvisioncode
Release Date	12/17/2024	6/26/2025

o1 Pro vs o3 Deep Research: Which Should You Choose?

Choosing between o1 Pro and o3 Deep Research depends on your priorities: cost efficiency, context length, or raw capability. o3 Deep Research is the more affordable option at $10.00/1M input tokens — 93% cheaper than o1 Pro.

These models target different tiers: o1 Pro is a flagship model while o3 Deep Research is reasoning. This means they're optimized for different workloads. o1 Pro is built for complex tasks that require deeper reasoning, while o3 Deep Research offers better value for routine operations.

Output costs matter too. o1 Pro charges $600.00/1M output tokens vs $40.00 for o3 Deep Research. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. o3 Deep Research has the edge here at $40.00/1M 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 o1 Pro when:

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

Choose o3 Deep Research when:

• Budget is a primary concern
• You're already using OpenAI's API ecosystem

Try Different Scenarios

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

o1 Pro (OpenAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

o3 Deep Research (OpenAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

Start using o1 Pro today

Start using o3 Deep Research today

Frequently Asked Questions

Which is cheaper, o1 Pro or o3 Deep Research?▼

o3 Deep Research is cheaper for input tokens at $10.00 per million tokens vs $150.00 for o1 Pro — that's 93% savings on input costs.

What is the context window difference between o1 Pro and o3 Deep Research?▼

o1 Pro supports 200,000 tokens while o3 Deep Research supports 200,000 tokens — a difference of 0 tokens in favor of o1 Pro.

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

Both models support text, code, reasoning. For ai agent / agentic workflows, o3 Deep Research is the lower-cost option, while o1 Pro offers a larger context window (200,000 vs 200,000 tokens). Choose o3 Deep Research for budget sensitivity or o1 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, o1 Pro costs about $1,350.00/month and o3 Deep Research costs about $90.00/month. Overall, o3 Deep Research has lower combined input + output rates ($10.00 in, $40.00 out) vs o1 Pro.