Grok 4.20 Multi-Agent
xAIUpdated July 2026. Grok 4.20 Multi-Agent by xAI: $1.25/M cache-miss input, $2.50/M output tokens. Cached input: $0.2/M. Long-context pricing above 200K input tokens: $2.50/M input, $5.00/M output. 1.0M context. Vision & Function Calling. Free calculator + compare 40+ models.
Input Price
$1.25
cache miss / 1M tokens
Cached Input
$0.2
per 1M tokens
Output Price
$2.50
per 1M tokens
Context Window
1.0M
tokens
Specifications
| Provider | xAI |
| Model ID | grok-4.20-multi-agent-0309 |
| Input Price | $1.25 / 1M cache-miss tokens |
| Cached Input Price | $0.2 / 1M tokens |
| Output Price | $2.50 / 1M tokens |
| Long Context Threshold | 200K input tokens |
| Long Context Pricing | $2.50 / 1M cache-miss input, $0.4 / 1M cached input, $5.00 / 1M output |
| Context Window | 1.0M tokens |
| Max Output | Not published by provider |
| Capabilities | textvisionfunction_callingstructured_output |
| Release Date | 2026-03-10 |
| Pricing Source | Official xAI pricing |
| Price Verified | 2026-07-14 · Grok 4.5, Grok 4.3, Grok 4.20, and Grok Build pricing was refreshed from the xAI pricing table. |
| Notes | Beta multi-agent endpoint for parallel research with 4-agent and 16-agent configurations. xAI does not publish a separate maximum-output limit. |
Monthly Cost Estimates
Estimated monthly costs based on different daily usage levels (assuming 50% input / 50% output split). Input estimates use cache-miss pricing, so cache-heavy workloads can be lower.
| Daily Tokens | Monthly Cost | Annual Cost |
|---|---|---|
| 10K | $0.5625 | $6.75 |
| 50K | $2.81 | $33.75 |
| 100K | $5.63 | $67.50 |
| 500K | $28.13 | $337.50 |
| 1.0M | $56.25 | $675.00 |
About Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is a large language model by xAI. It features a 1.0M token context window; the provider does not publish a separate maximum-output limit. The model supports 4 capabilities: text, vision, function_calling, structured_output.
At $1.25 per million cache-miss input tokens and $2.50 per million output tokens, Grok 4.20 Multi-Agent is positioned as a mid-range option in the xAI lineup. Repeated prefix input can be charged at $0.2 per million cached tokens. Use our Token Counter to estimate how many tokens your prompts use, and our Pricing Calculator to compare costs across all models.
Grok 4.20 Multi-Agent Key Details
- Pricing: $1.25/M cache-miss input tokens, $0.2/M cached input tokens, $2.50/M output tokens
- Context window: 1.0M tokens — one of the largest available
- Max output: not separately published by the provider
- Capabilities: text, vision, function_calling, structured_output
- Highlights: Beta multi-agent endpoint for parallel research with 4-agent and 16-agent configurations. xAI does not publish a separate maximum-output limit.
- Released: 2026-03-10
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FAQ
How much does Grok 4.20 Multi-Agent cost?
Grok 4.20 Multi-Agent costs $1.25 per million cache-miss input tokens and $2.50 per million output tokens. Cached input costs $0.2 per million tokens. For a typical workload of 100K input tokens/day and 50K output tokens/day, expect approximately $7.50/month before cache-hit savings.
What is Grok 4.20 Multi-Agent's context window?
Grok 4.20 Multi-Agent supports a context window of 1.0M tokens. This means your combined input prompt and output response can be up to 1.0M tokens. xAI does not publish a separate maximum-output limit for this model.
Is Grok 4.20 Multi-Agent good for my use case?
Grok 4.20 Multi-Agent supports text, vision, function_calling, structured_output. As a mid-range model, it balances capability and cost for most production use cases. Use our Pricing Calculator to compare with alternatives.