GPT-3.5-turbo API Pricing
OpenAI has deprecated this model. The price is kept here for reference; check the provider's documentation before building on it.
OpenAI · released Mar 1, 2023 · 16K context · API model ID gpt-3.5-turbo
GPT-3.5-turbo by OpenAI API pricing: $0.50 per 1M input tokens and $1.50 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).
Prices
| Price | USD per 1M tokens |
|---|---|
| Input | $0.50 |
| Output | $1.50 |
| Cache read | Free |
| Cache write | Not published |
OpenAI's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation
Estimated monthly cost
$375.00
per month
- per day
- $12.50
- per request
- $0.00125
Cannot estimate: a needed price is not published.
Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.
Monthly cost by workload
| Workload | Per month |
|---|---|
| Chatbot1,000 in / 500 out tokens, 10,000 requests a day | $375.00/mo |
| RAG8,000 in / 500 out tokens, 5,000 requests a day | $712.50/mo |
| Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input | $240.00/mo |
Context and capabilities
- Context
- 16,385 tokens
- Max output
- 4,096 tokens
- Input
- text
- Output
- text
- Knowledge cutoff
- Sep 1, 2021
- Open weights
- No
- Tool calling
- No
- Reasoning
- No
- Structured outputs
- No
Capabilities and limits as listed by models.dev.
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Price history
No price changes since we started tracking on Oct 8, 2026.
Questions
- How much does GPT-3.5-turbo cost per month?
- For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, GPT-3.5-turbo costs about $375.00 per month at OpenAI's list prices ($0.50 per 1M input tokens, $1.50 per 1M output tokens).
- Does GPT-3.5-turbo support prompt caching?
- Yes. Cached input costs Free per 1M tokens, compared with $0.50 for regular input.
- How long is GPT-3.5-turbo's context window?
- GPT-3.5-turbo accepts up to 16,385 tokens (16K) of context and returns up to 4,096 tokens per response.