xAI
SpaceXAI: Grok 4.20 Multi-Agent
Grok model for agentic tool use, reasoning, coding, and live assistance
Model facts
- Context window
- 2M tokens
- Maximum output
- 1.8M tokens
- Cheapest paid input
- $1.25 per 1M tokens
- Cheapest paid output
- $2.5 per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
reasoning, structured output, attachments, temperature control, text, image, pdf.
Observed price history
- 2026-08-24: $1.25 input / $2.5 output per 1M tokens
API providers
- Kilo Gateway — model id x-ai/grok-4.20-multi-agent; $1.25 input / $2.5 output per 1M tokens; provider documentation