GPT-3.5 Turbo 16k
OpenAIReleased Aug 28, 2023
This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up...
- Context window
- 16K tokens
- Max output
- 4K tokens
- Input
- text
- Output
- text
- Tokenizer
- GPT
- Knowledge cutoff
- Sep 30, 2021
- Released
- Aug 28, 2023
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 | $3.00 | $0.090 | $3.09 |
| Output | $4.00 | $0.120 | $4.12 |
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
Call it
OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model openai/gpt-3.5-turbo-16k.
curl https://api.openkey.ai/v1/chat/completions \
-H "Authorization: Bearer $OPENKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-3.5-turbo-16k",
"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-3.5-turbo-16k",
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-3.5-turbo-16k",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);Questions
- How much does GPT-3.5 Turbo 16k cost via API?
- Through OpenKey, GPT-3.5 Turbo 16k costs $3.09 per 1M input tokens and $4.12 per 1M output tokens. That is the provider price ($3.00 / $4.00) plus a flat 3% fee — nothing else.
- What is GPT-3.5 Turbo 16k's context window?
- GPT-3.5 Turbo 16k accepts up to 16K tokens of context and returns up to 4K tokens per request.
- Is GPT-3.5 Turbo 16k OpenAI-compatible?
- Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "openai/gpt-3.5-turbo-16k" using any OpenAI SDK — only the base URL and API key change.
- What inputs does GPT-3.5 Turbo 16k support?
- GPT-3.5 Turbo 16k accepts text input and produces text output. Its knowledge cutoff is Sep 30, 2021.
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