Model comparison
Grok Build 0.1 vs Grok 4.20 Multi-Agent
Compare Grok Build 0.1 vs Grok 4.20 Multi-Agent API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.
Grok Build 0.1
xai · grok-build-0.1
- Input
- $1
- Output
- $2
- Context
- 256K
Grok 4.20 Multi-Agent
xai · grok-4.20-multi-agent-0309
- Input
- $1.25
- Output
- $2.5
- Context
- 1M
Quick take
Grok Build 0.1 has the lower input price at $1 per 1M input tokens. Grok Build 0.1 is cheaper for the example blended workload below. Grok 4.20 Multi-Agent has the larger context window at 1M tokens.
Choose Grok Build 0.1 if...
- Grok Build 0.1 is the better default for cost-sensitive traffic and repeated high-volume calls.
Choose Grok 4.20 Multi-Agent if...
- Grok 4.20 Multi-Agent is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
Example workload cost
Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.
| Workload | Grok Build 0.1 | Grok 4.20 Multi-Agent | Cheaper |
|---|---|---|---|
| 1M input + 200K output | $1.40 | $1.75 | Grok Build 0.1 |
| 10M input + 2M output | $14.00 | $17.50 | Grok Build 0.1 |
| 100M input + 20M output | $140.00 | $175.00 | Grok Build 0.1 |
Context, output, and capability fit
Grok 4.20 Multi-Agent provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.
- Grok Build 0.1 max output
- n/a
- Grok 4.20 Multi-Agent max output
- n/a
- Grok Build 0.1 features
- prompt caching, function calling, vision
- Grok 4.20 Multi-Agent features
- prompt caching, function calling, vision
Risk notes for Grok Build 0.1
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Risk notes for Grok 4.20 Multi-Agent
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Routing tags
budgetcodingreasoningagentslong-contextmultimodalcache-friendlyragfrontiermulti-agent