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Merge Gateway

o4-mini model ID, context window & pricing

o-mini

Quick facts

Model ID openai/o4-mini
Source Merge Gateway
Context Window 200000
Pricing $1.10 input / $4.40 output per 1M tokens
Capabilities tool calling, reasoning, structured output

Model overview

o4-mini is an AI model from Merge Gateway with 200000 token context window and text, image input support.

Published pricing is $1.10 input and $4.40 output per 1M tokens.

  • Workloads that use text, image inputs with text outputs.
  • Agent and tool workflows that need function calling.
  • Reasoning-heavy prompts where stepwise problem solving matters.
Model ID openai/o4-mini
Provider Merge Gateway
Family o-mini
Status -
Knowledge Cutoff 2024-05
Release Date 2025-04-16
Input Modalities text, image
Output Modalities text
Context Window 200000
Input Limit -
Output Limit 100000
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control No
Open Weights No
Input Cost / 1M tokens $1.10
Output Cost / 1M tokens $4.40
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.28
Cache Write Cost / 1M tokens -