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o4-mini vs o4-mini Deep Research

o4-mini vs o4-mini Deep Research: o4-mini is cheaper for input-heavy usage ($1.10/M vs $2.00/M input tokens), while o4-mini is better for long-context tasks (2,000,000 tokens).

Direct answer: choose o4-mini for lower token spend and choose o4-mini when your workload needs longer context.

Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.

OpenAI
o4-mini
vs
OpenAI
o4-mini Deep Research

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

o4-mini

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

o4-mini Deep Research

Per Request:$0.006000
Daily:$0.60
Monthly:$18.00
Yearly:$219.00

Cost Differences

+$0.002700
Per Request
+$0.27
Daily
+$8.10
Monthly
+$98.55
Yearly

o4-mini Deep Research costs more than o4-mini

Quick Recommendation

Winner for direct API pricing: o4-mini. At the default workload, o4-mini saves about $8.10/month ($98.55/year) versus o4-mini Deep Research.

Feature Comparison

Featureo4-minio4-mini Deep Research
ProviderOpenAIOpenAI
Input Price$1.10/1M tokens$2.00/1M tokens
Output Price$4.40/1M tokens$8.00/1M tokens
Context Window2,000,000 tokens200,000 tokens
Max Output131,072 tokens32,768 tokens
Categoryreasoningreasoning
Capabilities
textreasoningcode
textreasoningcode
Release Date4/16/20256/26/2025

o4-mini vs o4-mini Deep Research: Which Should You Choose?

Choosing between o4-mini and o4-mini Deep Research depends on your priorities: cost efficiency, context length, or raw capability. o4-mini is the more affordable option at $1.10/1M input tokens45% cheaper than o4-mini Deep Research. Meanwhile, o4-mini offers a significantly larger context window at 2,000,000 tokens vs 200,000 for o4-mini 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: o4-mini would save you roughly $810.00/month compared to o4-mini Deep Research. For startups and indie developers, that difference can be significant.

Output costs matter too. o4-mini charges $4.40/1M output tokens vs $8.00 for o4-mini Deep Research. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. o4-mini has the edge here at $4.40/1M output tokens.

Best Use Cases

Choose o4-mini when:

  • • Budget is a primary concern
  • • You need a larger context window (2,000,000 tokens)
  • • You need longer outputs (up to 131,072 tokens)
  • • You're already using OpenAI's API ecosystem

Choose o4-mini Deep Research when:

  • • You're already using OpenAI's API ecosystem

Pros and Caveats at a Glance

o4-mini

  • Input pricing: $1.10/M tokens
  • Output pricing: $4.40/M tokens
  • Context window: 2,000,000 tokens
  • Max output: 131,072 tokens

Watch out for

  • Trade-offs are minor in this matchup.

o4-mini Deep Research

  • Input pricing: $2.00/M tokens
  • Output pricing: $8.00/M tokens
  • Context window: 200,000 tokens
  • Max output: 32,768 tokens

Watch out for

  • Higher input cost than o4-mini
  • Higher output cost than o4-mini
  • Smaller context window than o4-mini

Try Different Scenarios

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

o4-mini (OpenAI)

o4-mini Deep Research (OpenAI)

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Start using o4-mini Deep Research today

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Frequently Asked Questions

Which is cheaper, o4-mini or o4-mini Deep Research?
o4-mini is cheaper for input tokens at $1.10 per million tokens vs $2.00 for o4-mini Deep Research — that's 45% savings on input costs.
What is the context window difference between o4-mini and o4-mini Deep Research?
o4-mini supports 2,000,000 tokens while o4-mini Deep Research supports 200,000 tokens — a difference of 1,800,000 tokens in favor of o4-mini.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, o4-mini is the lower-cost option, while o4-mini offers a larger context window (2,000,000 vs 200,000 tokens). Choose o4-mini for budget sensitivity or o4-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, o4-mini costs about $9.90/month and o4-mini Deep Research costs about $18.00/month. Overall, o4-mini has lower combined input + output rates ($1.10 in, $4.40 out) vs o4-mini Deep Research.

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