GPT-4o (2024-08-06)
OpenAI released 2024-08-06
No independent quality score.
No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.
Every price dimension
| Input | $2.50/M |
|---|---|
| Output | $10.00/M |
| Cached input | $1.25/M |
Independent scores
| LMArena Elo | 1282.7default |
|---|
Sources are listed separately rather than averaged. Across the 62 models both have scored they correlate at r = 0.806 — close agreement overall, but four models rank very differently between them, and a blended score would hide exactly those.
Capability
| Context window | 128K |
|---|---|
| Max output | 16K |
| Input modes | text, image, file |
| Tool use | yes |
| Reasoning | no |
| Knowledge cutoff | 2023-10-31 |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | unrated |
The 2024-08-06 version of GPT-4o offers improved performance in structured outputs, with the ability to supply a JSON schema in the respone_format. Read more [here](https://openai.com/index/introducing-structured-outputs-in-the-api/). GPT-4o ("o" for "omni") is...