GPT-4.1 by GitHub Models — Specs, Pricing & Capabilities | whichllm

Model ID openai/gpt-4.1

Provider GitHub Models

Family gpt

Status -

Knowledge Cutoff 2024-04

Release Date 2025-04-14

Input Modalities text, image

Output Modalities text

Context Window 128000

Input Limit -

Output Limit 16384

Tool Calling Yes

Reasoning No

Structured Output -

Temperature Control Yes

Open Weights No

Input Cost / 1M tokens -

Output Cost / 1M tokens -

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens -

Cache Write Cost / 1M tokens -