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Merge Gateway

Claude Sonnet 4 model ID, context window & pricing

claude-sonnet

Quick facts

Model ID anthropic/claude-sonnet-4-20250514
Source Merge Gateway
Context Window 200000
Pricing $3.00 input / $15.00 output per 1M tokens
Capabilities tool calling, reasoning, temperature control

Model overview

Claude Sonnet 4 is an AI model from Merge Gateway with 200000 token context window and text, image, pdf input support.

Published pricing is $3.00 input and $15.00 output per 1M tokens.

  • Workloads that use text, image, pdf inputs with text outputs.
  • Agent and tool workflows that need function calling.
  • Reasoning-heavy prompts where stepwise problem solving matters.
Model ID anthropic/claude-sonnet-4-20250514
Provider Merge Gateway
Family claude-sonnet
Status -
Knowledge Cutoff 2025-03-31
Release Date 2025-05-22
Input Modalities text, image, pdf
Output Modalities text
Context Window 200000
Input Limit -
Output Limit 64000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $3.00
Output Cost / 1M tokens $15.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.30
Cache Write Cost / 1M tokens $3.75