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Anthropic: Claude Opus 4.5

🇺🇸 Anthropic · Claude Opus

Input Price $5.00 per million tokens NT$160
Output Price $25.00 per million tokens NT$800
Context Window 200K tokens Output limit: 64K
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Overview

Anthropic: Claude Opus 4.5 is a large language model API from Anthropic, part of its Claude Opus model family. With $5.00 per million input tokens and $25.00 per million output tokens, it is a premium-tier model where output volume is the main cost to watch. Output tokens cost about 5× as much as input, so prompt-heavy workloads run noticeably cheaper than generation-heavy ones. A large 200K-token context window (≈300 pages of text) lets it take in whole books, large codebases, or lengthy transcripts in a single call. Beyond plain text it also accepts File, Image input, so it can be applied to multimodal tasks rather than text alone. On Artificial Analysis's Intelligence Index it scores 41 (B grade), a useful proxy for its general reasoning strength relative to the other models tracked here. All prices on this page reflect OpenRouter's routed rates and are re-synced automatically every day; confirm against the provider's official pricing before committing to production.

Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $5.00 NT$160
Output per 1M tokens $25.00 NT$800
Cached Input per 1M tokens $0.500 NT$16.0
Cache Write per 1M tokens $6.25 NT$200
Web Search per search $0.010 NT$0.32

Provider
Anthropic
Model Family
Claude Opus
Version String
anthropic/claude-opus-4.5
Status
Active
Modality
File, Image, Text
Context Window
200,000 tokens
Output Limit
64,000 tokens

Index Metrics

Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis

Intelligence Index 41 B Measured: 2026-07-01

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 74.0% B Measured: 2026-07-01
GPQA Diamond 86.6% S Measured: 2026-07-01
HLE 28.4% A Measured: 2026-07-01
MMMU Pro 74.1% B Measured: 2026-07-01
Non-Hallucination 40.2% Measured: 2026-07-01
Omniscience Accuracy 45.7% Measured: 2026-07-01
SciCode 49.5% A Measured: 2026-07-01
Tau2 89.5% Measured: 2026-07-01
TerminalBench 47.0% Measured: 2026-07-01

Performance Metrics

Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis

First Token Latency 17.4s Measured: 2026-07-01
Output Speed 51 t/s Measured: 2026-07-01
Response Time 27.2s Measured: 2026-07-01

Use Case Analysis

Model strengths, weaknesses, and ideal use cases based on benchmarks and official documentation

Strength

  • State-of-the-art Coding SWE-bench Verified 80.9%, highest among all frontier models. Leads 7 out of 8 programming languages. Official
  • Token Efficiency Handles long-horizon coding tasks more efficiently, using up to 65% fewer tokens. Official
  • Complex Reasoning & Agentic Tasks 15% improvement on Terminal Bench over Sonnet 4.5. Effectively manages teams of subagents. Official

Best For

  • Complex Software Engineering Ideal for code generation, debugging, refactoring, and multi-file code modifications. Official
  • Long-horizon Agentic Workflows Best for autonomous agents that need to plan and execute multi-step tasks over extended periods. Official
  • Multi-agent Orchestration Highly effective at managing teams of subagents and coordinating complex multi-agent systems. Official

Weakness

  • Higher Cost than Sonnet Priced at $5/$25 per MTok, 1.67x more expensive than Sonnet 4.5. Official

Not Recommended

  • Real-time User-facing Apps Moderate latency makes it unsuitable for chatbots requiring sub-second response times. Official

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter
Web Search $0.010 OpenRouter
Cache Write $6.25 OpenRouter
Cached Input $0.500 OpenRouter
Output $25.00 OpenRouter
Input $5.00 OpenRouter

Key Insights

Key data points from this page for quick reference and citation.

  • Anthropic: Claude Opus 4.5 Input price: $5/M tokens
  • Anthropic: Claude Opus 4.5 Output price: $25/M tokens
  • Context window: 200,000 tokens
  • Provider: Anthropic
  • Model family: Claude Opus
  • Modalities: File, Image, Text
  • Data source: OpenRouter, updated daily