OpenAI · Model identity
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.
2pricing routes
What published route metadata supports
Structured outputTool useWeb search
Input modalities
Text
Supported API parameters
frequency_penaltylogit_biaslogprobsmax_tokenspresence_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2023-05-28
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare GPT-3.5 Turbo with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterBatch | openai/gpt-3.5-turbo:batch | $0.25 | — | $0.75 | 16K | OpenRouter API ↗ |
| OpenRouterStandard | openai/gpt-3.5-turbo | $0.5 | — | $1.5 | 16K | OpenRouter API ↗ |
0 verified price changes since Aug 26, 2026
2 route availability changes recorded. No earlier prices are inferred.
- Sep 1, 2026OpenRouter · Batch
New pricing route added
- Aug 28, 2026OpenRouter · Batch
Pricing route removed