GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks.
Ways to buy 2
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
The lab's own API | $1 | $2 | $1 / $2List price | n/a | List price |
Default region | $1 | $2 | $1 / $2Same as list | n/a | Same as list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $140.00 direct.
Kong AI Gateway$140.00+0%
OpenRouter$147.70+5.5%
Cloudflare AI GatewayNot offeredNot offered
Eden AINot offeredNot offered
HeliconeNot offeredNot offered
LiteLLMNot offeredNot offered
Martian GatewayNot offeredNot offered
Neon AI GatewayNot offeredNot offered
RequestyNot offeredNot offered
Vercel AI GatewayNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Portkey, TrueFoundry AI Gateway.
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Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Vertex AI (global-flex) | · | Gemini 3.7 Flash is a multimodal model from Google for fast agentic workflows, coding, and complex multi-step reasoning. |
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About GPT-3.5 Turbo (older v0613)
Takes text in and returns text. First listed Mar 26, 2024. Up to 4K output tokens. Blended price $1.25 per 1M tokens at 3 input to 1 output. Model id gpt-3-5-turbo-0613.
Price history
List price since Mar 26, 2024, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does GPT-3.5 Turbo (older v0613) cost?
$1 per million input tokens and $2 per million output tokens.
What is the context window of GPT-3.5 Turbo (older v0613)?
4K tokens, with up to 4K tokens of output.
Where is GPT-3.5 Turbo (older v0613) cheapest?
Of 2 routes tracked, Azure AI Foundry is cheapest at $1 input and $2 output per million tokens.