GPT-4o (2024-05-13) API pricing
As of October 21, 2026, OpenAI GPT-4o (2024-05-13) costs $5.00 per million input tokens and $15.00 per million output tokens through OpenRouter.
GPT-4o (2024-05-13) benchmarks and specs · Every OpenAI model's price
- Input, per million tokens$5.00
- Output, per million tokens$15.00
- Cached input, per millionNo cache price listed
- Context window128K tokens
- Max output4K tokens
- Output speedNot measured
What a request costs
Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.
| Workload | Tokens | One request | 1,000 requests | Fits the context window |
|---|---|---|---|---|
| Chat turn | 1K input + 500 output tokens | $0.013 | $12.50 | Yes |
| Repository review | 50K input + 3K output tokens | $0.295 | $295.00 | Yes |
| Agent loop | 200K input + 10K output tokens | $1.15 | $1150.00 | No, it would need splitting |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | Not computable | Not computable |
Price history
We read this price every day and have since October 15, 2026. It has not changed yet; any change will be listed here with its date.
- October 15, 2026 First recorded: $5.00 input, $15.00 output
Cheaper models as good as GPT-4o (2024-05-13)
Models within two points of GPT-4o (2024-05-13) or above it on the Artificial Analysis Intelligence Index, with a lower output price. Cheapest first.
- Ling 3.0 Flash$0.063 Overall 20.1 against 7.3 · 100% cheaper output
- Llama 3.1 8B Instruct$0.08 Overall 6.9 against 7.3 · 99% cheaper output
- Mistral Small 3$0.08 Overall 6.7 against 7.3 · 99% cheaper output
- gpt-oss-20b$0.09 Overall 10.0 against 7.3 · 99% cheaper output
- Qwen3.5-9B$0.13 Overall 13.3 against 7.3 · 99% cheaper output
GPT-4o (2024-05-13) pricing questions
- How much does GPT-4o (2024-05-13) cost per million tokens?
- $5.00 per million input tokens and $15.00 per million output tokens, as listed on OpenRouter on October 21, 2026.
- Does GPT-4o (2024-05-13) support prompt caching?
- OpenRouter lists no cached input price for this model, so assume every input token is billed at the full rate.
- Is there a cheaper model as good as GPT-4o (2024-05-13)?
- Ling 3.0 Flash scores 20.1 on the Artificial Analysis Intelligence Index, within two points of GPT-4o (2024-05-13) or above it, and costs $0.063 per million output tokens.
- Has the price of GPT-4o (2024-05-13) changed?
- Not since we started recording it daily on October 15, 2026.