GPT-3.5 Turbo
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. Training data up to Sep 2021.
Context window
This model accepts 4K tokens in one request (~3K words of text).
What fits in one request
- FitsShort documentAbout 1,500 words of text
- Won't fitLong documentAbout 37K words of text
- Won't fitSmall codebaseAbout 150K words of text
- Won't fitFull novelAbout 375K words of text
Specifications
Context size, pricing, and release info in one place.
- Context window
- 4,097 tokens (4K)
- Max output tokens
- 4,096 tokens (4K)
- Speed tier
- balanced
- Provider
- Openai
- Release date
- May 2023
- Input cost
- $0.500/M / 1M tokens
- Output cost
- $1.50/M / 1M tokens
Capabilities
See which features this model supports, such as vision, tools, and streaming.
- Tool use
- Can call external tools and APIs
- Supported
- Function calling
- Structured function call interface
- Supported
- Streaming
- Returns tokens as they are generated
- Supported
- Batch API
- Process many requests asynchronously
- Supported
- Vision
- Accepts image inputs alongside text
- Not supported
- Extended thinking
- Shows its chain-of-thought reasoning
- Not supported
- Web search
- Can browse the web during a request
- Not supported
- Prompt caching
- Reuse repeated prompt prefixes cheaply
- Not supported
Best for
Jump to a guide or ranking that matches each workload.
Compare GPT-3.5 Turbo
Open a side-by-side comparison with one click.
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Frequently asked questions
Short answers about context size and how this model behaves.
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