Grok 4.20 pricing
Source: openrouter · updated 2026-10-27
Short answer: Grok 4.20 costs $1.25 per million input tokens and $2.50 per million output tokens. That is a 3:1 blended rate of $1.56 per million tokens, ranking it #501 of 704 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $1.25 |
| Output, per 1M tokens | $2.50 |
| Output รท input multiple | 2.00× |
| 3:1 blended, per 1M tokens | $1.56 |
| Context window | 2,000,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $1.25 | $0.625 | $1.88 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $12.50 | $6.25 | $18.75 | ||||
| 100M in / 25M out | $125 | $62.50 | $188 |
Other x-ai models
| Model | Input | Output |
|---|---|---|
| Grok Build 0.1 | $1.00 | $2.00 |
| Grok 4.3 | $1.00 | $2.00 |
| Grok 4.20 Multi Agent | $1.25 | $2.50 |
| Grok 4.7 | $2.00 | $6.00 |
| Grok 4.6 | $2.00 | $6.00 |
Cheaper alternatives
Next cheaper option: GLM 5 at $1.00 per 1M input tokens. Next step up: Anthropic Claude 3.5 Haiku at $0.800 per 1M input tokens.