AnthropicClaude Opus 4.5 pricing
$5.00 per 1M input tokens and $25.00 per 1M output tokens. In real work that is 3.2¢ per chat answer and 11¢ to summarize a 20-page PDF.
What Claude Opus 4.5 costs per task
Token counts estimated from a measured model of the same lab (Claude Sonnet 5.5), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 3.2¢$31.70 / 1,000 | 61 in · 1,256 out | 315 of 336 | estimated |
| Reply to a customer email | 0.99¢$9.93 / 1,000 | 362 in · 325 out | 307 of 336 | estimated |
| Write a 1,500-word blog post | 9.1¢$91.45 / 1,000 | 90 in · 3,401 out · 239 reasoning | 312 of 336 | estimated |
| Write 10 product descriptions | 11¢$110 / 1,000 | 454 in · 1,866 out · 2,459 reasoning | 327 of 336 | estimated |
| Translate 1,000 words | 6.4¢$63.81 / 1,000 | 1,832 in · 2,186 out | 304 of 336 | estimated |
| Proofread one page (500 words) | 2.8¢$27.76 / 1,000 | 987 in · 913 out | 307 of 336 | estimated |
| Summarize a 20-page PDF | 11¢$111 / 1,000 | 18,004 in · 857 out | 320 of 336 | estimated |
| Extract data from an invoice | 2.6¢$25.75 / 1,000 | 546 in · 604 out · 317 reasoning | 307 of 336 | estimated |
| Analyze a 200-row spreadsheet | ≥43¢$427 / 1,000 | 5,433 in · 0 out · 16,000 reasoning | 321 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 6.8¢$68.27 / 1,000 | 5,184 in · 1,079 out · 615 reasoning | 319 of 336 | estimated |
| Classify 100 support tickets | 2.2¢$22.26 / 1,000 | 1,747 in · 541 out | 264 of 336 | estimated |
| Review 500 lines of code | 20¢$199 / 1,000 | 7,117 in · 3,067 out · 3,476 reasoning | 310 of 336 | estimated |
| Write a SQL query | 2.7¢$27.34 / 1,000 | 182 in · 839 out · 218 reasoning | 312 of 336 | estimated |
| Run a 50-step coding agent | $2.85$2,851 / 1,000 | 3,101,175 in · 20,790 out · 10,900 reasoning | 300 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving Claude Opus 4.5 through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
 Claude Platform on AWSunknown | $5.00 / $25.00 | $0.50 | 200K | |
 Azureunknown | $5.00 / $25.00 | $0.50 | 200K | |
 Googleunknown | $5.00 / $25.00 | $0.50 | 200K | |
 Amazon Bedrockunknown | $5.00 / $25.00 | $0.50 | 200K | 100% |
Anthropicunknown | $5.00 / $25.00 | $0.50 | 200K | 100% |
Amazon Bedrockunknown | $5.50 / $27.50 | $0.55 | 200K |
Price history
First seen in our price history on Nov 30, 2025 at $5.00 input / $25.00 output. The list price has not changed since.
FAQ
How much does Claude Opus 4.5 cost?
Claude Opus 4.5 costs $5.00 per 1 million input tokens and $25.00 per 1 million output tokens, with cached input at $0.50 (list price on Oct 18, 2026). In practice one chat answer costs about 3.2¢ and summarizing a 20-page PDF about 11¢.
Where is Claude Opus 4.5 cheapest?
Among 6 providers we track, the lowest list price today is at Claude Platform on AWS: $5.00 input and $25.00 output per 1M tokens.
Is the Claude Opus 4.5 cost per task measured or estimated?
Estimated: Claude Opus 4.5 was not run directly. Tokens come from Claude Sonnet 5.5 and are rescaled by the tokenizer of Anthropic. Real usage can differ.