GPT-4o mini
OpenAIReleased Jul 18, 2024Closed weightsgpt-4o-mini
- Intelligence (Epoch)
- 126 · 101st of 111
- Reasoning
- no
- Knowledge cutoff
- October 2023
- Context
- 128K tokens
- Max output
- 16K tokens
- Input
- text, image
- API features
- tools, structured outputs, JSON mode, seed, logprobs
- OpenAI's API
- yes, as gpt-4o-mini
Read Oct 23, 06:00 UTC from the hosts' published offers and OpenRouter, spec sheet from OpenAI · cutoff: platform.openai.com
Intelligence for the price
23 models score higher for the same price or less; it ranks 24 of the 29 models at its price or below.
Epoch Capabilities Index against the lowest input + output price per M, log scale · prices Oct 23. Score: Epoch AI, CC BY 4.0, 126 with an interval of 120 to 128.
Against its rivals
The best of its price range and the top score
- GPT-4o minithis model$0.75126
- Claude Opus 5.5top score$24.00169
- Claude Haiku 5.5same price range$0.60159
- GPT-6 Lunasame price range$0.60157
Same level for 20× less: Mistral Nemo at Io Net, $0.038 per M input + output · their Epoch intervals overlap (119 against 126).
Bars: Epoch Capabilities Index (Epoch AI, CC BY 4.0), drawn from 100, below the lowest score in the catalogue · price: lowest input + output per M.
| Provider | Input | Output | Cache ↑ | tok/s | First token | Uptime 24h | Checked |
|---|---|---|---|---|---|---|---|
| OpenAI | $0.15 | $0.60 | $0.075 | 73 | 0.55 s | 100% | Oct 23 |
1 provider · prices per million tokens, read Oct 23, 06:00 UTC · speed: OpenRouter, median of the last 30 min, read Oct 23, 06:00 UTC · uptime: OpenRouter, last 24 h
| Provider | Weights | Context | Max output | Tools | Structured outputs | Reasoning |
|---|---|---|---|---|---|---|
| OpenAI | — | 125K | 16K | yes | yes | no |
As served by each host and declared to OpenRouter; not verified by us · weights: the precision the host declares
GPT-4o mini spec sheet, field by field, with sources
GPT-4o mini spec sheetmaker-declared
What OpenAI declares about the model itself — read from its own weights repository and documentation, not from any host. What each endpoint actually serves is in the pricing above: the two can differ, and both are true.
- Context window
- 128,000 tokens
- Parameters
- not published by the maker
- Active experts
- not published by the maker
- Weight precision
- not applicable — no weights publishedcurated
- License
- Proprietary — API onlycuratedScope: the licence on the published weights, and nothing else. It is not the maker's acceptable-use policy, which is a separate document, and it is not the contract you sign with whichever host you call — hosts set their own terms, which this index does not read.
- Knowledge cutoff
- October 1, 2023
- Modalities
- text · image → text
- Max output (official)
- 16,384 tokens
- Release date
- not published by the maker
- Maker lifecycle status
- to verify
developers.openai.com · maker's documentation · read 2026-09-07 · 5 of 10 fields published by the maker
| Provider | Chatbot 1,000 in / 500 out | RAG / long context 8,000 in / 500 out | Batch summarize 4,000 in / 1,000 out |
|---|---|---|---|
| OpenAI | $0.45 | $1.50 | $1.20 |
What each host bills for 1,000 requests of a representative job
Your own workload
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