🧠 ReasoningPremium
o3 Deep Research
by OpenAI
Powerful deep research model built on o3 for complex multi-step research tasks
Input Price
$10
per 1M tokens
Output Price
$40
per 1M tokens
Context Window
200K
tokens (32.768K max output)
Specifications
Release Date2025-06-26
Category🧠 Reasoning
Context Window200,000 tokens
Max Output32,768 tokens
Capabilities
textreasoningvisioncode
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Monthly Cost Estimates
| Usage Level | Daily Tokens | Daily | Monthly | Yearly |
|---|---|---|---|---|
| Light~50 requests/day | 100K in / 20K out | $1.80 | $54.00 | $657 |
| Medium~200 requests/day | 500K in / 100K out | $9.00 | $270.00 | $3285 |
| Heavy~1K requests/day | 2,000K in / 500K out | $40.00 | $1200.00 | $14600 |
| Enterprise~5K requests/day | 10,000K in / 2,000K out | $180.00 | $5400.00 | $65700 |
Cost Calculator
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Frequently Asked Questions
How much does o3 Deep Research API cost per million tokens?▼
o3 Deep Research costs $10 per million input tokens and $40 per million output tokens as of 2026. These are the standard API rates from OpenAI.
What is the o3 Deep Research context window?▼
o3 Deep Research supports a 200K context window (200,000 tokens), which means you can process up to 200K tokens in a single API call.
How much does o3 Deep Research cost per month?▼
At medium usage (~200 requests/day with 500K input and 100K output tokens/day), o3 Deep Research costs approximately $270.00/month. Light usage runs about $54.00/month, and heavy usage (~1K requests/day) around $1200.00/month.
Is there a cheaper alternative to o3 Deep Research?▼
Yes — GPT-4 Turbo by OpenAI is a cheaper option at $10/M input tokens vs $10/M for o3 Deep Research. Other budget alternatives include models in the efficient tier.
Is o3 Deep Research good for ai agent / agentic workflows?▼
o3 Deep Research is a reasoning model with support for text, reasoning, vision. For ai agent / agentic workflows, it offers 200K context and costs $10/M input tokens — a premium option for this use case.
o3 Deep Research Comparisons
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