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.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

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).

Cost-first pickClaude Sonnet 4.6
Context-first pickBoth models
Sample savings$740%
10x traffic gap$70

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.

Cheaper input Claude Sonnet 4.6 $5 vs $3 / 1M

Claude Sonnet 4.6 is $2 cheaper per 1M input tokens (40% lower; 1.67x difference).

Cheaper output Claude Sonnet 4.6 $25 vs $15 / 1M

Claude Sonnet 4.6 is $10 cheaper per 1M output tokens (40% lower; 1.67x difference).

Larger context Tie 1M vs 1M

Both models report the same context window at 1M tokens.

Sample workload Claude Sonnet 4.6 $17.5 vs $10.5

Claude Sonnet 4.6 is $7 cheaper on the standard workload (40% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Claude Opus 4.7 Calculating… Estimated API cost
Claude Sonnet 4.6 Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

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

Verdict

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.

Best Fit

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.

Decision Notes
  • 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.
Head-to-Head Specs
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 Window1M1M
Release Date2026-04-162026-02-17
Popularity Rank
current rank
#2#3

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionClaude Sonnet 4.6On 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 processingClaude Sonnet 4.6Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsClaude Sonnet 4.6Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workTieA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Cheaper alternatives

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Anthropic catalog

Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.

Open Anthropic models
Claude Opus 4.7

Opus 4.7 is the next generation of Anthropic's Opus family, built for long-running, asynchronous agents. Building on the coding and agentic strengths of Opus 4.6, it delivers stronger performance on...

Claude Sonnet 4.6

Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...