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LLM Gateway

Sonar Reasoning Pro model ID, context window & pricing

sonar-reasoning

Quick facts

Model ID sonar-reasoning-pro
Source LLM Gateway
Context Window 128000
Pricing $2.00 input / $8.00 output per 1M tokens
Capabilities reasoning, temperature control

Model overview

Sonar Reasoning Pro is an AI model from LLM Gateway with 128000 token context window and text, image input support.

Published pricing is $2.00 input and $8.00 output per 1M tokens.

  • Workloads that use text, image inputs with text outputs.
  • Reasoning-heavy prompts where stepwise problem solving matters.
Model ID sonar-reasoning-pro
Provider LLM Gateway
Family sonar-reasoning
Status -
Knowledge Cutoff 2025-09-01
Release Date 2024-01-01
Input Modalities text, image
Output Modalities text
Context Window 128000
Input Limit -
Output Limit 4096
Tool Calling No
Reasoning Yes
Structured Output -
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 -
Cache Write Cost / 1M tokens -