GPT-5-Chat by Poe — Specs, Pricing & Capabilities | whichllm

Model ID openai/gpt-5-chat

Provider Poe

Family gpt-codex

Status -

Knowledge Cutoff -

Release Date 2025-08-07

Input Modalities text, image

Output Modalities text

Context Window 128000

Input Limit -

Output Limit 16384

Tool Calling Yes

Reasoning No

Structured Output -

Temperature Control No

Open Weights No

Input Cost / 1M tokens $1.10

Output Cost / 1M tokens $9.00

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens $0.11

Cache Write Cost / 1M tokens -