API cost decision in 10 seconds

NewClaude Opus 4.7 (Fast) vs Sonar Pro Search

Pick Sonar Pro Search for lower cost; pick Claude Opus 4.7 (Fast) only if the larger context window matters more.

Page updated: 2026-05-26T10:03:26Z Data confirmed: 2026-05-26T14:08:03Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Sonar Pro Search for lower cost; pick Claude Opus 4.7 (Fast) only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Sonar Pro Search is estimated at $10.5 vs $105 for Claude Opus 4.7 (Fast), saving $94.5 (90% lower).

Cost-first pickSonar Pro Search

Context-first pickClaude Opus 4.7 (Fast)

Sample savings$94.590%

10x traffic gap$945

Claude Opus 4.7 (Fast) has more context, but Sonar Pro Search saves $94.5 on the standard workload. At 10x that traffic, the same price gap is about $945. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Sonar Pro Search stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Claude Opus 4.7 (Fast)	Sonar Pro Search
Input-heavy / RAG	5M input + 500K output	Sonar Pro Search	$225	$22.5
Balanced workload	1M input + 1M output	Sonar Pro Search	$180	$18
Output-heavy chatbot	1M input + 5M output	Sonar Pro Search	$780	$78

Cheaper input Sonar Pro Search $30 vs $3 / 1M

Sonar Pro Search is $27 cheaper per 1M input tokens (90% lower; 10x difference).

Cheaper output Sonar Pro Search $150 vs $15 / 1M

Sonar Pro Search is $135 cheaper per 1M output tokens (90% lower; 10x difference).

Larger context Claude Opus 4.7 (Fast) 1M vs 200K

Claude Opus 4.7 (Fast) has 800K more context (5x larger).

Sample workload Sonar Pro Search $105 vs $10.5

Sonar Pro Search is $94.5 cheaper on the standard workload (90% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Claude Opus 4.7 (Fast) Calculating… Estimated API cost

Sonar Pro Search 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

Sonar Pro Search has the lower input price; Sonar Pro Search has the lower output price; Claude Opus 4.7 (Fast) offers the larger context window. For the 1M input plus 500K output sample, Sonar Pro Search is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $105 for Claude Opus 4.7 (Fast) and $10.5 for Sonar Pro Search.

Best Fit

Choose Claude Opus 4.7 (Fast) when you care most about larger context window.

Choose Sonar Pro Search 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, Sonar Pro Search is estimated at $10.5 vs $105 for Claude Opus 4.7 (Fast), saving $94.5 (90% lower).
Sonar Pro Search is $94.5 cheaper on the standard workload (90% lower).
Sonar Pro Search is $27 cheaper per 1M input tokens (90% lower; 10x difference).
Sonar Pro Search is $135 cheaper per 1M output tokens (90% lower; 10x difference).
Claude Opus 4.7 (Fast) has 800K more context (5x larger).

Head-to-Head Specs

Feature	NewClaude Opus 4.7 (Fast) (Anthropic)	Sonar Pro Search (Perplexity)
Input Price prompt tokens per 1M	$30	$3
Completion Price per 1M tokens	$150	$15
Sample Workload Cost 1M input + 500K output	$105	$10.5
Context Window	1M	200K
Release Date	2026-05-12	2025-10-30

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Sonar Pro Search	On the standard 1M input plus 500K output workload, Sonar Pro Search is estimated at $10.5 vs $105 for Claude Opus 4.7 (Fast), saving $94.5 (90% lower).
High-volume input processing	Sonar Pro Search	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Sonar Pro Search	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Claude Opus 4.7 (Fast)	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Claude 3 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $0.88.
Claude 3.5 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $2.8.
Anthropic Claude Haiku Latest can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.
Claude Haiku 4.5 can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
GPT-5.5 offers 1.05M context with $20 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

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Larger context alternatives

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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

Perplexity catalog

Check other Perplexity models with comparable pricing, context, or release timing.

Open Perplexity models

Claude Opus 4.7 (Fast)

Fast-mode variant of [Opus 4.7](/anthropic/claude-opus-4.7) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

Sonar Pro Search

Exclusively available on the OpenRouter API, Sonar Pro's new Pro Search mode is Perplexity's most advanced agentic search system. It is designed for deeper reasoning and analysis. Pricing is based...