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o3 Deep Research vs o3-mini

Compare OpenAI and OpenAI AI models

OpenAI
o3 Deep Research
vs
OpenAI
o3-mini

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

o3 Deep Research

Per Request:$0.03
Daily:$3.00
Monthly:$90.00
Yearly:$1,095.00

o3-mini

Per Request:$0.003300
Daily:$0.33
Monthly:$9.90
Yearly:$120.45

Cost Differences

$0.0267
Per Request
$2.67
Daily
$80.10
Monthly
$974.55
Yearly

o3-mini costs less than o3 Deep Research

Feature Comparison

Featureo3 Deep Researcho3-mini
ProviderOpenAIOpenAI
Input Price$10.00/1M tokens$1.10/1M tokens
Output Price$40.00/1M tokens$4.40/1M tokens
Context Window200,000 tokens500,000 tokens
Max Output32,768 tokens65,536 tokens
Categoryreasoningreasoning
Capabilities
textreasoningvisioncode
textreasoningcode
Release Date6/26/20251/31/2025

o3 Deep Research vs o3-mini: Which Should You Choose?

Choosing between o3 Deep Research and o3-mini depends on your priorities: cost efficiency, context length, or raw capability. o3-mini is the more affordable option at $1.10/1M input tokens89% cheaper than o3 Deep Research. Meanwhile, o3-mini offers a significantly larger context window at 500,000 tokens vs 200,000 for o3 Deep Research.

Both models are in the reasoning category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: o3-mini would save you roughly $8,010.00/month compared to o3 Deep Research. For startups and indie developers, that difference can be significant.

Output costs matter too. o3 Deep Research charges $40.00/1M output tokens vs $4.40 for o3-mini. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. o3-mini has the edge here at $4.40/1M output tokens.

Multimodal capabilities: o3 Deep Research supports vision (image inputs) while o3-mini is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose o3 Deep Research when:

  • • You need more capabilities (vision)
  • • You're already using OpenAI's API ecosystem

Choose o3-mini when:

  • • Budget is a primary concern
  • • You need a larger context window (500,000 tokens)
  • • You need longer outputs (up to 65,536 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

o3 Deep Research (OpenAI)

o3-mini (OpenAI)

Start using o3 Deep Research today

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Frequently Asked Questions

Which is cheaper, o3 Deep Research or o3-mini?
o3-mini is cheaper for input tokens at $1.10 per million tokens vs $10.00 for o3 Deep Research — that's 89% savings on input costs.
What is the context window difference between o3 Deep Research and o3-mini?
o3 Deep Research supports 200,000 tokens while o3-mini supports 500,000 tokens — a difference of 300,000 tokens in favor of o3-mini.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, o3-mini is the lower-cost option, while o3-mini offers a larger context window (500,000 vs 200,000 tokens). Choose o3-mini for budget sensitivity or o3-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, o3 Deep Research costs about $90.00/month and o3-mini costs about $9.90/month. Overall, o3-mini has lower combined input + output rates ($1.10 in, $4.40 out) vs o3 Deep Research.

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