HeliconeAnthropic: Claude Opus 4.5 model ID, context window & pricing
claude-opus
Quick facts
Model ID claude-4.5-opus
Source Helicone
Context Window 200000
Pricing $5.00 input / $25.00 output per 1M tokens
Capabilities tool calling, reasoning, temperature control
Model overview
Anthropic: Claude Opus 4.5 is an AI model from Helicone with 200000 token context window and text, image input support.
Published pricing is $5.00 input and $25.00 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-4.5-opus
Provider Helicone
Family claude-opus
Status -
Knowledge Cutoff 2025-11
Release Date 2025-11-24
Input Modalities text, image
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 $5.00
Output Cost / 1M tokens $25.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.50
Cache Write Cost / 1M tokens $6.25