grok-4.20-reasoning-gv2 API Pricing
grok-4.20-reasoning-gv2 on xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens (as of ).
| Input | $1.25 / 1M tokens |
|---|---|
| Output | $2.50 / 1M tokens |
| Cached input (read) | $0.20 |
| Cache write | — |
| Batch input / output | — |
| Above 200K tokens (input / output) | $2.50 / $5.00 |
| Context window | 1M tokens |
| Max output | 1M tokens |
| Supports | vision, tool calling, reasoning, prompt caching |
| Deprecation date | None listed |
| API model id | grok-4.20-reasoning-gv2 |
| In our records since |
What it costs for common jobs
Estimated from the list price above (no caching or batch discount).
| Job | Estimated cost |
|---|---|
| 1,000 chat replies (2,000 tokens in, 500 out each) | $3.75 |
| Summarising 100 long documents (50,000 in, 1,000 out each) | $6.50 |
| 1 million classification calls (300 in, 5 out each) | $387.50 |
Try your own numbers in the LLM API cost calculator.
Price history
No price change recorded since .
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|---|---|---|---|---|---|
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| grok-4.20-0309-non-reasoning | xAI | $1.25 | $2.50 | $0.20 | 1M |
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| grok-4.20-beta | xAI | $1.25 | $2.50 | $0.20 | 1M |
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| grok-4.20-beta-0309-reasoning | xAI | $1.25 | $2.50 | $0.20 | 1M |
| grok-4.20-beta-latest | xAI | $1.25 | $2.50 | $0.20 | 1M |
| grok-4.20-beta-latest-non-reasoning | xAI | $1.25 | $2.50 | $0.20 | 1M |