OpenAI: GPT-5 Chat (openai/gpt-5-chat) is a chat model from openrouter with a 128K-token context window; capabilities reasoning, vision; input image, pdf, text; output text.
128KContext
16.4KMax output
$1.25$ / 1M in
Pricing
Input
$1.25 / 1M tokens
Output
$10 / 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.