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

Model ID openai/gpt-4.1

Provider OpenRouter

Family gpt

Status -

Knowledge Cutoff 2024-04

Release Date 2025-04-14

Input Modalities text, image

Output Modalities text

Context Window 1047576

Input Limit -

Output Limit 32768

Tool Calling Yes

Reasoning No

Structured Output Yes

Temperature Control Yes

Open Weights No

Input Cost / 1M tokens $2.00

Output Cost / 1M tokens $8.00

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens $0.50

Cache Write Cost / 1M tokens -