Model comparison
GPT-4o (2024-08-06) vs GPT-4o (2024-11-20)
Price history, scores and specs for both models, line by line. Every value shows where it came from and when we last confirmed it.
OpenAI
GPT-4o (2024-08-06)
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.
OpenAI
GPT-4o (2024-11-20)
The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability.
Quick take
Where each one leads
- GPT-4o (2024-11-20) scores higher on the Artificial Analysis Intelligence Index: 8.4 to 7.7.
- More people run GPT-4o (2024-08-06) through OpenRouter than GPT-4o (2024-11-20) right now.
Each line comes from a checked value in the tables below. Pick on your workload: price and usage matter for high volume, context and scores for long documents and agent loops.
Price history
Prices side by side, day by day
- GPT-4o (2024-08-06)
- GPT-4o (2024-11-20)
- GPT-4o (2024-08-06)
- GPT-4o (2024-11-20)
Prices are the listed OpenRouter base rates in US dollars. A day we could not confirm is left out of the line, never filled in.
Price
What each one costs now
| Measure | GPT-4o (2024-08-06) | GPT-4o (2024-11-20) |
|---|---|---|
| Input price | $2.50 per million tokens | $2.50 per million tokens |
| Output price | $10.00 per million tokens | $10.00 per million tokens |
Scores
Benchmarks, with source and date
| Measure | GPT-4o (2024-08-06) | GPT-4o (2024-11-20) |
|---|---|---|
| Artificial Analysis Intelligence Index | 7.7 | 8.4 Leads |
| LMArena text rating (Elo) | 1,300 | 1,300 |
| LMArena vision rating (Elo) | 1,137 | 1,137 |
Specs
Context, modalities and tool use
| Measure | GPT-4o (2024-08-06) | GPT-4o (2024-11-20) |
|---|---|---|
| Context window | 128,000 tokens | 128,000 tokens |
| Reads | Text, Images, Files | Text, Images, Files |
| Writes | Text | Text |
| Tool calling | Yes | Yes |
| Reasoning mode | No | No |
| Open weights | No | No |
| Listed since | 6 Aug 2024 | 20 Nov 2024 |
Usage
How much each one is used
| Measure | GPT-4o (2024-08-06) | GPT-4o (2024-11-20) |
|---|---|---|
| Tokens served on OpenRouter in a day | 376.5M Leads (for 10 Nov 2026) | 161.8M (for 10 Nov 2026) |
| Requests on OpenRouter in a day | 455.4K Leads (for 10 Nov 2026) | 106.3K (for 10 Nov 2026) |
| Tool calls on OpenRouter in a day | 702 (for 10 Nov 2026) | 8.1K Leads (for 10 Nov 2026) |
| Token usage, last 7 days | Down 17% on the week before (for 10 Nov 2026) | Up 3% on the week before Leads (for 10 Nov 2026) |
- GPT-4o (2024-08-06)
- GPT-4o (2024-11-20)
How this works
One link, either order
This link stays the same whichever order you name the two models in, so you can share it as it is. A line appears only when at least one model has a value we confirmed from a source; values we have not confirmed are left out, never guessed. To add a third record of any type, use the open comparison. Read how we check facts.