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davinci-002 vs GPT-5.4

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

davinci-002 Cost
$2.40
GPT-5.4 Cost
$5.50
davinci-002 is 56% cheaper
Featuredavinci-002GPT-5.4
ProviderOpenAIOpenAI
Input Price (1M)$2.00$2.50
Output Price (1M)$2.00$15.00
Context Window16,3841,050,000

Verdict

davinci-002 costs $2.00 per 1M input tokens and $2.00 per 1M output tokens. GPT-5.4 costs $2.50 per 1M input tokens and $15.00 per 1M output tokens. davinci-002 is 20% cheaper on input tokens than GPT-5.4. For output tokens, davinci-002 is the more affordable option at $2.00/1M vs $15.00.

On context window, GPT-5.4 supports 1,050,000 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

  • ✓ You need the lowest input token cost ($ 2.00/1M)
  • ✓ Your workload is output-heavy — davinci-002 generates text cheaper
  • ✓ You are already integrated with OpenAI

When to choose GPT-5.4

  • ✓ You need a larger context window (1,050,000 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 GPT-5.4?

davinci-002 is cheaper on input tokens at $2.00/1M vs $2.50/1M for GPT-5.4 — a 20% saving.

What is the context window of davinci-002 vs GPT-5.4?

davinci-002 has a 16,384-token context window. GPT-5.4 has a 1,050,000-token context window. GPT-5.4 supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: davinci-002 or GPT-5.4?

The best choice depends on your use case. For cost efficiency on input tokens, davinci-002 is the cheaper option. For maximum context length, GPT-5.4 supports 1,050,000 tokens. Use the comparison table above to find the right fit for your workload.