OpenAI: GPT-3.5 Turbo 16k

openai/gpt-3.5-turbo-16k

CHAT High tier Chat Proprietary (API-only)

OpenAI: GPT-3.5 Turbo 16k (openai/gpt-3.5-turbo-16k) is a chat model from openrouter with a 16.4K-token context window; proprietary (API-only); capabilities tools; input text; output text.

16.4KContext

4.1KMax output

$3$ / 1M in

Pricing

Input: $3 / 1M tokens
Output: $4 / 1M tokens
Currency: USD
Note: Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-07-24.

Specifications

Context window: 16,385 tokens (16.4K)
Max output: 4,096 tokens
Weights: Proprietary (API-only)
Input modalities: text
Output modalities: text
Knowledge cutoff: 2021-09-30
Release date: 2023-08-28

Capabilities

tools

Provenance

committedmodels-devopenrouter-api

Last verified: 2026-10-30

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