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o1 vs o1-mini

o1 vs o1-mini: o1-mini is cheaper for input-heavy usage ($1.10/M vs $15.00/M input tokens), while o1 is better for long-context tasks (200,000 tokens).

Direct answer: choose o1-mini for lower token spend and choose o1 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
o1
vs
OpenAI
o1-mini

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

o1

Per Request:$0.045
Daily:$4.50
Monthly:$135.00
Yearly:$1,642.50

o1-mini

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

Cost Differences

$0.0417
Per Request
$4.17
Daily
$125.10
Monthly
$1,522.05
Yearly

o1-mini costs less than o1

Quick Recommendation

Winner for direct API pricing: o1-mini. At the default workload, o1-mini saves about $125.10/month ($1,522.05/year) versus o1.

Feature Comparison

Featureo1o1-mini
ProviderOpenAIOpenAI
Input Price$15.00/1M tokens$1.10/1M tokens
Output Price$60.00/1M tokens$4.40/1M tokens
Context Window200,000 tokens128,000 tokens
Max Output65,536 tokens65,536 tokens
Categoryreasoningreasoning
Capabilities
textreasoning
textreasoning
Release Date9/12/20249/12/2024

o1 vs o1-mini: Which Should You Choose?

Choosing between o1 and o1-mini depends on your priorities: cost efficiency, context length, or raw capability. o1-mini is the more affordable option at $1.10/1M input tokens93% cheaper than o1. Meanwhile, o1 offers a significantly larger context window at 200,000 tokens vs 128,000 for o1-mini.

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: o1-mini would save you roughly $12,510.00/month compared to o1. For startups and indie developers, that difference can be significant.

Output costs matter too. o1 charges $60.00/1M output tokens vs $4.40 for o1-mini. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. o1-mini has the edge here at $4.40/1M output tokens.

Best Use Cases

Choose o1 when:

  • • You need a larger context window (200,000 tokens)
  • • You're already using OpenAI's API ecosystem

Choose o1-mini when:

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

Pros and Caveats at a Glance

o1

  • Input pricing: $15.00/M tokens
  • Output pricing: $60.00/M tokens
  • Context window: 200,000 tokens
  • Max output: 65,536 tokens

Watch out for

  • Higher input cost than o1-mini
  • Higher output cost than o1-mini

o1-mini

  • Input pricing: $1.10/M tokens
  • Output pricing: $4.40/M tokens
  • Context window: 128,000 tokens
  • Max output: 65,536 tokens

Watch out for

  • Smaller context window than o1

Try Different Scenarios

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

o1 (OpenAI)

o1-mini (OpenAI)

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Frequently Asked Questions

Which is cheaper, o1 or o1-mini?
o1-mini is cheaper for input tokens at $1.10 per million tokens vs $15.00 for o1 — that's 93% savings on input costs.
What is the context window difference between o1 and o1-mini?
o1 supports 200,000 tokens while o1-mini supports 128,000 tokens — a difference of 72,000 tokens in favor of o1.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, o1-mini is the lower-cost option, while o1 offers a larger context window (200,000 vs 128,000 tokens). Choose o1-mini for budget sensitivity or o1 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 costs about $135.00/month and o1-mini costs about $9.90/month. Overall, o1-mini has lower combined input + output rates ($1.10 in, $4.40 out) vs o1.

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