Claude Opus 5 model ID, context window & pricing
claude-opus
Quick facts
Model ID claude-opus-5
Source Cortecs
Context Window 1000000
Pricing $5.50 input / $27.50 output per 1M tokens
Capabilities tool calling, reasoning, structured output
Model overview
Claude Opus 5 is an AI model from Cortecs with 1000000 token context window and text, image input support.
Published pricing is $5.50 input and $27.50 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 claude-opus-5
Provider Cortecs
Family claude-opus
Status -
Knowledge Cutoff 2026-05
Release Date 2026-07-24
Input Modalities text, image
Output Modalities text
Context Window 1000000
Input Limit -
Output Limit 1000000
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control No
Open Weights No
Input Cost / 1M tokens $5.50
Output Cost / 1M tokens $27.50
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.55
Cache Write Cost / 1M tokens $6.87