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davinci-002 vs o4-mini

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

davinci-002 Cost
$2.40
o4-mini Cost
$1.98
o4-mini is 17% cheaper
Featuredavinci-002o4-mini
ProviderOpenAIOpenAI
Input Price (1M)$2.00$1.10
Output Price (1M)$2.00$4.40
Context Window16,384200,000

Verdict

davinci-002 costs $2.00 per 1M input tokens and $2.00 per 1M output tokens. o4-mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens. o4-mini is 45% cheaper on input tokens than davinci-002. For output tokens, davinci-002 is the more affordable option at $2.00/1M vs $4.40.

On context window, o4-mini supports 200,000 tokens — meaning it can fit more conversation history, documents, or code in a single request. This matters for RAG pipelines, long document analysis, and agentic workflows where context builds up over many turns.

When to choose davinci-002

  • ✓ Your workload is output-heavy — davinci-002 generates text cheaper
  • ✓ You are already integrated with OpenAI

When to choose o4-mini

  • ✓ You need the lowest input token cost ($ 1.10/1M)
  • ✓ You need a larger context window (200,000 tokens)
  • ✓ You are already integrated with OpenAI

Use the calculator above to simulate your specific workload and find the exact break-even point. For most applications, the cheapest model is the one that minimises your total monthly bill given your input-to-output token ratio.

Frequently Asked Questions

Is davinci-002 cheaper than o4-mini?

o4-mini is cheaper on input tokens at $1.10/1M vs $2.00/1M for davinci-002 — a 45% saving.

What is the context window of davinci-002 vs o4-mini?

davinci-002 has a 16,384-token context window. o4-mini has a 200,000-token context window. o4-mini supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: davinci-002 or o4-mini?

The best choice depends on your use case. For cost efficiency on input tokens, o4-mini is the cheaper option. For maximum context length, o4-mini supports 200,000 tokens. Use the comparison table above to find the right fit for your workload.