The Orchestrator › Models › OpenAI
OpenAI: GPT-3.5 Turbo 16k
This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up...
Specifications
| Provider | OpenAI |
| Model ID | openai/gpt-3.5-turbo-16k |
| Context window | 16K tokens (16,385) |
| Modalities | text → text |
| Tokenizer | GPT |
| Router sources | OpenRouter |
| Released | 2023-08-28 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | — |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | openai/gpt-3.5-turbo-16k | $3.00 | $4.00 | 16K |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $3.00 | $4.00 | 16K |
Capabilities
Agentic tool useStructured outputs
Supported parameters
frequency_penalty, logit_bias, logprobs, max_completion_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_logprobs, top_p