GitHub CopilotClaude Opus 4.8 model ID, context window & pricing
claude-opus
Quick facts
Model ID claude-opus-4.8
Source GitHub Copilot
Context Window 200000
Pricing -
Capabilities tool calling, reasoning
Model overview
Claude Opus 4.8 is an AI model from GitHub Copilot with 200000 token context window and text, image input support.
Public token pricing is not listed for this model in the current catalog source.
- 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-4.8
Provider GitHub Copilot
Family claude-opus
Status -
Knowledge Cutoff 2026-01-31
Release Date 2026-05-28
Input Modalities text, image
Output Modalities text
Context Window 200000
Input Limit 168000
Output Limit 64000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control No
Open Weights No
Input Cost / 1M tokens -
Output Cost / 1M tokens -
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -