Claude Opus 5 pricing
Claude Opus 5, Flagship-tier from Anthropic, costs $5.00 per 1M input tokens and $25.00 per 1M output tokens.
Input$5.00per 1M tokens
Output$25.00per 1M tokens
Context window1Mtokens
TierFlagshipAnthropic
Price your own workload against Claude Opus 5 in the calculator →
Specs and pricing
| Provider | Anthropic |
| Tier | Flagship |
| Context window | 1M tokens |
| Max output | 128K tokens |
| Input price | $5.00 / 1M tokens |
| Output price | $25.00 / 1M tokens |
| Cache write | $6.25 / 1M tokens |
| Cache read | $0.50 / 1M tokens |
| Modalities | text, image |
Note. 5-minute cache write shown ($6.25 = 1.25x base input); 1-hour cache write is $10/MTok (2x base). Batch API is 50% off ($2.50/$12.50). Context window and max output cross-checked against platform.claude.com/docs/en/about-claude/models/overview.
What it costs at realistic volumes
Assuming a 4:1 input:output token ratio, a common shape for chat and RAG-style workloads:
| Volume (4:1 in:out ratio) | Input cost | Output cost | Total / month |
|---|---|---|---|
| 1,000,000 in / 250,000 out | $5.00 | $6.25 | $11.25 |
| 10,000,000 in / 2,500,000 out | $50.00 | $62.50 | $112.50 |
| 100,000,000 in / 25,000,000 out | $500.00 | $625.00 | $1,125 |
Cheaper alternatives
Same tier (Flagship), a different provider, and a lower blended cost at the 4:1 ratio used above:
| Model | Provider | $/1M in | $/1M out | At the 4:1 ratio |
|---|---|---|---|---|
| Qwen3 235B A22B Instruct 2507 | Novita AI | $0.09 | $0.58 | 97.9% cheaper blended |
| GPT-OSS 120B | Groq | $0.15 | $0.60 | 97.3% cheaper blended |
| Qwen3 235B-A22B (2507) | Parasail | $0.14 | $0.80 | 97% cheaper blended |
| Llama 4 Maverick | Together AI | $0.27 | $0.85 | 95.7% cheaper blended |
| Llama 4 Maverick Instruct | Novita AI | $0.27 | $0.85 | 95.7% cheaper blended |