Context Window
200,000
Tokens
Model Cost Profile
Anthropic: Claude Opus 4.5
Developer: anthropic
Pricing updated Mar 11, 2026
Input rank: #317Output rank: #320
Live Pricing
Input: $5.00
Output: $25.00
Pricing via OpenRouter API · Last synced Mar 11, 2026 · MMLU score via public benchmark data
Anthropic's Claude Opus 4.5 offers an extensive context window of 200,000 tokens, making it suitable for complex applications such as legal document analysis and large-scale data processing. With an input price of $5.00 per 1 million tokens and an output price of $25.00 per 1 million tokens, teams must consider their usage patterns to effectively manage costs while leveraging its capabilities. This model is ideal for organizations requiring deep contextual understanding and high-volume text generation, providing a robust solution for diverse AI-driven tasks.
👁 Vision🔧 Tool Calling📋 Structured Output🧠 Reasoning
Input Price / 1M
$5.00
Prompt tokens
Output Price / 1M
$25.00
Completion tokens
Intelligence (MMLU)
69.6
Massive Multitask Language Understanding
Benchmark Scores
Standardized evaluation scores for Anthropic: Claude Opus 4.5.
Side-by-Side Pricing Table
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $5.00 |
| Output (Completion) | $25.00 |
Price History
Anthropic: Claude Opus 4.5 Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$5.00
Current Output / 1M
$25.00
Cost Calculator
Estimate monthly spend for Anthropic: Claude Opus 4.5 based on your workload.
01.0B
0500M
Estimated Monthly Cost
$425
25M input + 12M output tokens
Cheaper Alternatives to Compare
Quick links for cost-down decisions before production rollout.
FAQ
Common pricing and benchmark questions for Anthropic: Claude Opus 4.5.
How much does Anthropic: Claude Opus 4.5 cost per 1M input tokens?
Anthropic: Claude Opus 4.5 input pricing is $5.00 per 1M tokens based on the latest synced provider data.
How much does Anthropic: Claude Opus 4.5 cost per 1M output tokens?
Anthropic: Claude Opus 4.5 output pricing is $25.00 per 1M tokens based on the latest synced provider data.
What context window does Anthropic: Claude Opus 4.5 support?
Anthropic: Claude Opus 4.5 supports a context window of 200,000 tokens.
How can I compare Anthropic: Claude Opus 4.5 with cheaper alternatives?
Use the comparison links on this page to open direct model-vs-model pricing and benchmark pages, then evaluate monthly spend projections for your workload.