Claude Opus 4.5 Pricing
FlagshipAnthropic · 200K tokens context
Claude Opus 4.5 from Anthropic costs $5.00 per 1 million input tokens and $25.00 per 1 million output tokens as of June 2026 (live OpenRouter data). The model supports a 200,000-token context window (approximately 150,000 words) with a 64K-token maximum output. A typical 1,000-token request costs $0.0050 in input charges; a 10,000-token request costs $0.0500.
| Input price | $5.00 / 1M tokens |
|---|---|
| Output price | $25.00 / 1M tokens |
| Output / input ratio | 5.0× |
| Context window | 200,000 tokens (~150,000 words) |
| Maximum output | 64,000 tokens |
| Cost per 1K tokens (input) | $0.0050 |
| Tier | Flagship |
| Last verified |
Claude Opus 4. 5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use.
Input Price
$5.00
per 1 million tokens
Output Price
$25.00
per 1 million tokens
Context Window
200K tokens
max 64K output
Cost Examples
| Request Type | Tokens | Input Cost | Output Cost |
|---|---|---|---|
| 1,000 word article | 1,333 | $0.00666 | $0.01 |
| 10-page document (2,500 words) | 3,333 | $0.0167 | $0.025 |
| 1,000 lines of code | 5,000 | $0.025 | $0.0375 |
| 100K token document | 100,000 | $0.50 | $0.75 |
Output cost estimated at 30% of input token count. Use the calculator for exact figures.
Strengths
- ✓Large 200K-token context window
- ✓Frontier-class quality on complex tasks
- ✓Multimodal: understands images as well as text
Limitations
- –Premium pricing — overkill for simple tasks
- –Quality and availability can vary by hosting provider
Best Use Cases
Calculate Claude Opus 4.5 Costs
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Open Calculator →Claude Opus 4.5 — FAQ
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