Context Window
200,000
Input tokens
Full-context input ≈ $1.00
Model Cost Profile
Developer: anthropic· Tokenizer: Claude · Quantization: unknown
Canonical ID: anthropic/claude-4.5-opus-20251124
Pricing updated Apr 24, 2026
Live Pricing
Input: $5.00
Output: $25.00
Last synced Apr 24, 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.
Provider Compliance
Context Window
200,000
Input tokens
Full-context input ≈ $1.00
Max Output
64,000
Completion tokens
Input Price / 1M
$5.00
Prompt tokens
Output Price / 1M
$25.00
Completion tokens
Top Benchmark
69.6
MMLU score — highest of MMLU, GPQA, MATH, HumanEval
Evaluation scores for Anthropic: Claude Opus 4.5. The “Top Benchmark” shown above is the highest score across MMLU, GPQA, MATH & HumanEval.
Price History
Current Input / 1M
$5.00
Current Output / 1M
$25.00
Performance History
Current TPS
0.00
Current Latency
0ms
Uptime
100.0%
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $5.00 |
| Output (Completion) | $25.00 |
| Cache Read | $0.5000 |
| Cache Write | $6.25 |
| Web Search | $10,000.00 |
Estimate monthly spend for Anthropic: Claude Opus 4.5 based on your workload.
Estimated Monthly Cost
$425
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.