GPT-4o
OpenAIReleased May 13, 2024
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...
- Context window
- 128K tokens
- Max output
- 16K tokens
- Input
- text, image, file
- Output
- text
- Tokenizer
- GPT
- Knowledge cutoff
- Oct 31, 2023
- Released
- May 13, 2024
Pricing
Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.
| Per 1M tokens | Provider | + 3% fee | You pay |
|---|---|---|---|
| Input | $2.50 | $0.075 | $2.58 |
| Output | $10.00 | $0.300 | $10.30 |
Benchmarks
Design Arena
| Category | Elo | Win rate | Rank |
|---|---|---|---|
| 3Dmodels | 945 | 39.2% | #92 |
| Codemodels | 910 | 34.8% | #104 |
| Data vizmodels | 901 | 36% | #101 |
| Game devmodels | 972 | 42.3% | #98 |
| UI componentsmodels | 942 | 38.1% | #96 |
| Websitesmodels | 874 | 31.5% | #109 |
Head-to-head preference voting. How we filter and rank
Supported parameters
- frequency_penalty
- logit_bias
- logprobs
- max_completion_tokens
- max_tokens
- presence_penalty
- response_format
- seed
- stop
- structured_outputs
- temperature
- tool_choice
- tools
- top_logprobs
- top_p
- web_search_options
Call it
OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model openai/gpt-4o.
curl https://api.openkey.ai/v1/chat/completions \
-H "Authorization: Bearer $OPENKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-4o",
"messages": [{"role": "user", "content": "Hello"}]
}'import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.openkey.ai/v1",
api_key=os.environ["OPENKEY_API_KEY"],
)
completion = client.chat.completions.create(
model="openai/gpt-4o",
messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.openkey.ai/v1",
apiKey: process.env.OPENKEY_API_KEY,
});
const completion = await client.chat.completions.create({
model: "openai/gpt-4o",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);Questions
- How much does GPT-4o cost via API?
- Through OpenKey, GPT-4o costs $2.58 per 1M input tokens and $10.30 per 1M output tokens. That is the provider price ($2.50 / $10.00) plus a flat 3% fee — nothing else.
- What is GPT-4o's context window?
- GPT-4o accepts up to 128K tokens of context and returns up to 16K tokens per request.
- Is GPT-4o OpenAI-compatible?
- Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "openai/gpt-4o" using any OpenAI SDK — only the base URL and API key change.
- What inputs does GPT-4o support?
- GPT-4o accepts text, image, file input and produces text output. Its knowledge cutoff is Oct 31, 2023.
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