MODEL PROOF
GPT-4o
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
- Independent LMArena score
- Not independently rated
- Context window
- 128K
- Maximum output
- 16.38K
- Input modalities
- text, image, file
- Output modalities
- text
- Published input price
- $2.50 / 1M tokens
- Published output price
- $10.00 / 1M tokens
- Pricing kind
- fixed
Inspect complete billing conditions and endpoint terms below.
Price from OpenAI: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate.
Every price dimension · USD per million tokens
| Input | $2.50/M |
|---|---|
| Output | $10.00/M |
| Cached input | $1.25/M |
| Cache write | Unknown/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
Who sells it
The same weights, different shops. Cheapest is not like-for-like when serving precision differs.
2 provider offers · rates, limits and conditions
Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Azureazure Endpoint terms
| $2.50 | $10.00 | undeclared | 99.93% |
| OpenAIopenai Endpoint terms
| $2.50 | $10.00 | undeclared | 99.79% |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- 3D #113 877
- Game development #122 919
- UI components #122 892
- Data visualisation #123 864
- Code categories #125 866
- Websites #132 838
Per-task Elo and rank from Design Arena, via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.
Capability
| Context window | 128K |
|---|---|
| Max output | 16K |
| Input modes | text, image, file |
| Tool use | yes |
| Reasoning | no |
| Knowledge cutoff | 2023-10-31 |
| Open weights | no |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | unrated |
GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...
Questions this page answers
What does GPT-4o cost?
$2.50/M in, $10.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does GPT-4o have an independent quality score?
GPT-4o has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats GPT-4o?
GPT-4o has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for GPT-4o?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
Does a missing score mean GPT-4o scored zero?
Unrated is not a score of zero.
MODEL MONUMENT
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The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.
[](https://undominated.ai/models/openai__gpt-4o/)<a href="https://undominated.ai/models/openai__gpt-4o/"><img src="https://undominated.ai/badge/openai__gpt-4o.svg" alt="GPT-4o — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/openai__gpt-4o.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
older than the last deploy.
