SpaceXAI: Grok 4.20 Multi-Agent
by xAISpaceXAI: Grok 4.20 Multi-Agent is a large language model from xAI. It costs $1.25 per million input tokens and $2.50 per million output tokens. Its context window is 2M tokens.
- Input / 1M tokens
- $1.25
- Output / 1M tokens
- $2.50
- Cached input / 1M
- $0.200
- Context window
- 2M
On repeated prefixes
tokens
This model also charges $0.005 per search request
That is $5.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.0025, so the search fee is 2.0× the token cost. Per-token rankings elsewhere ignore this entirely.
Who serves it cheapest
1 hosts serve Grok 4.20 Multi-Agent. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| xAICheapest | $1.25 | $2.50 | 2M | - | 95.0% |
About Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is a variant of SpaceXAI’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...
Specifications
| Model ID | x-ai/grok-4.20-multi-agent |
|---|---|
| Provider | xAI |
| Context window | 2M tokens |
| Max output | 1.8M tokens |
| Input modalities | text, image, file |
| Output modalities | text |
| Knowledge cutoff | 2025-09-01 |
| Open weights | No |
| Released | March 31, 2026 |
Cheaper alternatives
Models that cost less than Grok 4.20 Multi-Agent while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does SpaceXAI: Grok 4.20 Multi-Agent cost?
$1.25 per million input tokens and $2.50 per million output tokens. Cached input reads cost $0.200 per million tokens.
What is the context window of SpaceXAI: Grok 4.20 Multi-Agent?
2M tokens, with up to 1.8M tokens of output per request.
Does SpaceXAI: Grok 4.20 Multi-Agent have extra fees beyond per-token pricing?
Yes. SpaceXAI: Grok 4.20 Multi-Agent charges $0.005 per search request - $5.00 per 1,000 requests - on top of $1.25 per million input tokens and $2.50 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 2.0× the token cost.
Confirm against the source: xAI official pricing.