API cost decision in 10 seconds

NewPerceptron Mk1 vs Sonar Pro Search

Pick Perceptron Mk1 for lower cost; pick Sonar Pro Search only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Perceptron Mk1 for lower cost; pick Sonar Pro Search only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $10.5 for Sonar Pro Search, saving $9.6 (91.4% lower).

Cost-first pickPerceptron Mk1
Context-first pickSonar Pro Search
Sample savings$9.691.4%
10x traffic gap$96

Sonar Pro Search has more context, but Perceptron Mk1 saves $9.6 on the standard workload. At 10x that traffic, the same price gap is about $96. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Perceptron Mk1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickPerceptron Mk1Sonar Pro Search
Input-heavy / RAG5M input + 500K outputPerceptron Mk1$1.5$22.5
Balanced workload1M input + 1M outputPerceptron Mk1$1.65$18
Output-heavy chatbot1M input + 5M outputPerceptron Mk1$7.65$78
Cheaper input Perceptron Mk1 $0.15 vs $3 / 1M

Perceptron Mk1 is $2.85 cheaper per 1M input tokens (95% lower; 20x difference).

Cheaper output Perceptron Mk1 $1.5 vs $15 / 1M

Perceptron Mk1 is $13.5 cheaper per 1M output tokens (90% lower; 10x difference).

Larger context Sonar Pro Search 32.77K vs 200K

Sonar Pro Search has 167.23K more context (6.1x larger).

Sample workload Perceptron Mk1 $0.9 vs $10.5

Perceptron Mk1 is $9.6 cheaper on the standard workload (91.4% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Perceptron Mk1 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

Perceptron Mk1 has the lower input price; Perceptron Mk1 has the lower output price; Sonar Pro Search offers the larger context window. For the 1M input plus 500K output sample, Perceptron Mk1 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.9 for Perceptron Mk1 and $10.5 for Sonar Pro Search.

Best Fit

Choose Perceptron Mk1 when you care most about lower input-token price, and lower output-token price.

Choose Sonar Pro Search when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $10.5 for Sonar Pro Search, saving $9.6 (91.4% lower).
  • Perceptron Mk1 is $9.6 cheaper on the standard workload (91.4% lower).
  • Perceptron Mk1 is $2.85 cheaper per 1M input tokens (95% lower; 20x difference).
  • Perceptron Mk1 is $13.5 cheaper per 1M output tokens (90% lower; 10x difference).
  • Sonar Pro Search has 167.23K more context (6.1x larger).
Head-to-Head Specs
FeatureNewPerceptron Mk1
(Perceptron)		Sonar Pro Search
(Perplexity)
Input Price
prompt tokens per 1M		$0.15$3
Completion Price
per 1M tokens		$1.5$15
Sample Workload Cost
1M input + 500K output		$0.9$10.5
Context Window32.77K200K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionPerceptron Mk1On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $10.5 for Sonar Pro Search, saving $9.6 (91.4% lower).
High-volume input processingPerceptron Mk1Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsPerceptron Mk1Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workSonar Pro SearchA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Sonar can replace Sonar Pro Search when lower sample workload cost matters most: $1.5.
  • Sonar Reasoning Pro can replace Sonar Pro Search when lower sample workload cost matters most: $6.
  • Sonar Deep Research can replace Sonar Pro Search when lower sample workload cost matters most: $6.
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-5.4 offers 1.05M context with $10 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

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

Open largest context models

Provider catalogs

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

Open provider hubs

Perceptron catalog

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

Open Perceptron models

Perplexity catalog

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

Open Perplexity models
Perceptron Mk1

Perceptron Mk1 (Mark One) is Perceptron's highest-quality vision-language model for video and embodied reasoning.** It accepts image and video inputs paired with natural language queries, and produces detailed visual understanding...

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...