OpenAI: GPT-3.5 Turbo
openai/gpt-3.5-turbo
Price Published
- Input
- $0.50 per million tokens
- Output
- $1.50 per million tokens
Optional features and fallback routes can cost extra. Confirm current terms with the provider.
Specifications Published
- Context window
- 16,385 tokens
- Max output
- 4,096 tokens
- Tool calling
- Supported
- Vision input
- Not listed
- Reasoning
- Not listed
- Knowledge cutoff
- Sep 30, 2021
- Listed since
- May 28, 2023
Measured by the Club Signed cheapoS reports
Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.
How we measure · Reports come from cheapoS members who share model details.
Benchmarks Artificial Analysis via OpenRouter
- Intelligence index
- Not reported
- Coding index
- 10.7
- Agentic index
- Not reported
Scores from Artificial Analysis, as distributed in the OpenRouter catalog. They measure test suites, not request reliability on real work.
Try it
- Get an OpenRouter API key. Create one here. Other free tiers are compared on Providers.
- Add it to cheapoS. Open Models → Open OmniRoute, add OpenRouter with your key, then refresh models. Get cheapoS
- Pick this model. Use the ID
openai/gpt-3.5-turboas a worker or reviewer, and start with a small task you can check.
About this model OpenRouter description
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.
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Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.