Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
GPT 5.5 Pro
FlagshipGrok 4.20 Multi-Agent
Mid-tierQuality
Guidance
At scale
GPT 5.5 Pro and Grok 4.20 Multi-Agent perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Yes. Grok 4.20 Multi-Agent input costs $1.25/MTok vs $30.00/MTok for GPT 5.5 Pro, saving 96% on input.
GPT 5.5 Pro has a 1,050K token context window. Grok 4.20 Multi-Agent has a 1,000K token context window.
Per-call cost calculators, provider lineups, and price history for both models on this page.
How GPT 5.5 Pro and Grok 4.20 Multi-Agent stack up against the rest of the field.
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.