Grok 4.20
by SpaceXAI · x-ai/grok-4.20
Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
- Input / 1M tokens
- $1.25
- Output / 1M tokens
- $2.50
- Context
- 2M
Specs
| Input price | $1.25 / 1M tokens |
|---|---|
| Output price | $2.50 / 1M tokens |
| Cached input | $0.20 / 1M tokens |
| Context window | 2M tokens |
| Max output | 1.8M tokens |
| Reads | text, image, file |
| Writes | text |
| Tool calling | Yes |
| Reasoning | Yes |
| Listed | Mar 31, 2026 |
List prices in USD, updated Oct 30, 2026. Providers may charge differently.
Providers
4 providers serve this model, as of Oct 30, 2026, 18:12 UTC.
| Provider | Context | Max output | Input / 1M | Output / 1M | Cache read / 1M | Uptime (30 min) | Latency (median) | Throughput (median) | Supports | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| xAI | 2M | 1.8M | $1.25 | $2.50 | $0.20 | 100% | 1.09 s | 82 tok/s | Normal | |
| xAI | 2M | 1.8M | $1.25 | $2.50 | $0.20 | 100% | 598 ms | 79 tok/s | Normal | |
| xAI | 2M | 1.8M | $2.50 | $5.00 | $0.40 | — | 1.45 s | 117 tok/s | Normal | |
| xAI | 2M | 1.8M | $2.50 | $5.00 | $0.40 | — | — | — | Normal |
"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.
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