Claude Sonnet 4.6 is $2 cheaper per 1M input tokens (40% lower; 1.67x difference).
API cost decision in 10 seconds
🔥Claude Opus 4.7 vs 🔥Claude Sonnet 4.6
Pick Claude Sonnet 4.6 when budget is the priority.
Budget verdict
Pick Claude Sonnet 4.6 when budget is the priority.
On the standard 1M input plus 500K output workload, Claude Sonnet 4.6 is estimated at $10.5 vs $17.5 for Claude Opus 4.7, saving $7 (40% lower).
The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $70. Use the calculator below to replace the sample workload with your own token volume.
Claude Sonnet 4.6 is $10 cheaper per 1M output tokens (40% lower; 1.67x difference).
Both models report the same context window at 1M tokens.
Claude Sonnet 4.6 is $7 cheaper on the standard workload (40% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Claude Sonnet 4.6 has the lower input price; Claude Sonnet 4.6 has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Claude Sonnet 4.6 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $17.5 for Claude Opus 4.7 and $10.5 for Claude Sonnet 4.6.
Choose Claude Opus 4.7 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose Claude Sonnet 4.6 when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Claude Sonnet 4.6 is estimated at $10.5 vs $17.5 for Claude Opus 4.7, saving $7 (40% lower).
- Claude Sonnet 4.6 is $7 cheaper on the standard workload (40% lower).
- Claude Sonnet 4.6 is $2 cheaper per 1M input tokens (40% lower; 1.67x difference).
- Claude Sonnet 4.6 is $10 cheaper per 1M output tokens (40% lower; 1.67x difference).
- Both models report the same context window at 1M tokens.
| Feature | 🔥Claude Opus 4.7 (Anthropic) | 🔥Claude Sonnet 4.6 (Anthropic) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $3 |
| Completion Price per 1M tokens | $25 | $15 |
| Sample Workload Cost 1M input + 500K output | $17.5 | $10.5 |
| Context Window | 1M | 1M |
| Release Date | 2026-04-16 | 2026-02-17 |
| Popularity Rank current rank | #2 | #3 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Claude Sonnet 4.6 | On the standard 1M input plus 500K output workload, Claude Sonnet 4.6 is estimated at $10.5 vs $17.5 for Claude Opus 4.7, saving $7 (40% lower). |
| High-volume input processing | Claude Sonnet 4.6 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Claude Sonnet 4.6 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Tie | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
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