Simulating realistic Agentic workflow parameters (40,000 in / 1,500 out with 65% cache reuse). Grok 4.3 delivers a 71% cost reduction over Perplexity Sonar Deep Research.
| Traffic Volume Tier | Grok 4.3 Monthly | Perplexity Sonar Deep Research Monthly | Monthly Savings by picking Grok 4.3 |
|---|---|---|---|
| 1,000 reqs/mo (Dev/Testing) | $26.45 | $92.00 | Save $65.55 / mo |
| 10,000 reqs/mo (Small App) | $264.50 | $920.00 | Save $655.50 / mo |
| 100,000 reqs/mo (Growth Production) | $2,645.00 | $9,200.00 | Save $6,555.00 / mo |
| 1,000,000 reqs/mo (Scale SaaS) | $26,450.00 | $92,000.00 | Save $65,550.00 / mo |
Grok 4.3 is 71% cheaper for Agentic workflow workloads. At standard Agentic workflow parameter ratios (40,000 input tokens, 1,500 output tokens, 65% cache hit), Grok 4.3 costs $0.0265 per request compared to $0.092 on Perplexity Sonar Deep Research.
Grok 4.3 offers a context window of 1,000,000 tokens (max output: 32,768), while Perplexity Sonar Deep Research offers 128,000 tokens (max output: 16,384).
At 100,000 requests per month, using Grok 4.3 saves $6,555.00 every month (or $78,660.00 annually) compared to Perplexity Sonar Deep Research.
Prompt caching is the single biggest lever — each step re-reads prior context. Summarize or prune tool outputs before appending them to the transcript. Cap the step budget; runaway loops are the #1 surprise on agent invoices.