Grok 4.20 Multi-Agent
by xAI · x-ai/grok-4.20-multi-agent · #215 cheapest of 325 paid models
Prices updated Jul 22, 2026, 1:37 AM UTC · refreshed hourly
Grok 4.20 Multi-Agent is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol
Pricing
Input
$1.25
per 1M tokens
Output
$2.50
per 1M tokens
Blended (3:1)
$1.56
3 input : 1 output
Cache read
$0.20
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for Grok 4.20 Multi-Agent with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $1.56 | $0.13 | — |
| 50% | $1.17 | $0.0775 | −40% |
| 90% | $0.854 | $0.0355 | −73% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates (available for OpenAI / Anthropic / Google — not flagged for this creator). Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.001375 | $1.38 |
| Document summary | 8,000 | 1,000 | $0.0125 | $12.50 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.0425 | $42.50 |
| Long-context analysis | 150,000 | 5,000 | $0.2 | $200.00 |
Specs
Context window
2M
tokens
Max output
—
tokens
Input modalities
text, image, file
Tokenizer
Grok