Claude-Opus-4.8 model ID, context window & pricing
claude-opus
Quick facts
Model ID anthropic/claude-opus-4.8
Source Poe
Context Window 1048576
Pricing $4.29 input / $21.46 output per 1M tokens
Capabilities tool calling, reasoning
Model overview
Claude-Opus-4.8 is an AI model from Poe with 1048576 token context window and text, image, pdf input support.
Published pricing is $4.29 input and $21.46 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-opus-4.8
Provider Poe
Family claude-opus
Status -
Knowledge Cutoff -
Release Date 2026-05-28
Input Modalities text, image, pdf
Output Modalities text
Context Window 1048576
Input Limit -
Output Limit 128000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control No
Open Weights No
Input Cost / 1M tokens $4.29
Output Cost / 1M tokens $21.46
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -