SI Model · xAI (SpaceXAI)
Grok 4.7
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| Developer | xAI (SpaceXAI) |
|---|---|
| Released | September 21, 2026 |
| Status | Current |
| Inputs | Text, Images |
| Context window | 500K tokens |
| API price (input) | $2 / 1M tokens |
| API price (output) | $6 / 1M tokens |
| Open weights | No |
| Access | Grok app, X, xAI API |
Specs and list prices last verified October 7, 2026. Prices change often; check the provider before you buy.
Strengths
- Competitive pricing under 200K tokens
- 500K-token context
- Integration with X for real-time information
Best for
- Apps that benefit from X/real-time data
- Cost-conscious use with prompts under 200K tokens
- Grok app users
Grok 4.7 is the latest flagship from xAI, now operating as SpaceXAI. Released on September 21, 2026, it is described by xAI as “the most capable model we’ve built”, with a knowledge cutoff of May 2026.
Pricing is tiered by prompt length
| Prompt size | Input / 1M tokens | Cached input | Output / 1M tokens |
|---|---|---|---|
| Under 200K tokens | $2.00 | $0.50 | $6.00 |
| 200K tokens and over | $4.00 | $1.00 | $12.00 |
Our tables list the under-200K price.
Key specs
- Context window: 500,000 tokens, half of most rivals
- Access: Grok apps, X and the xAI API
- xAI also offers older Grok 4.x models and an earlier Grok 4.3 with a 1M-token context.
Compare
Frequently asked questions
How much does Grok 4.7 cost?
$2 per million input tokens and $6 per million output tokens for prompts under 200,000 tokens; $4 and $12 for longer prompts. Cached input is $0.50 (or $1.00 above 200K).
Sources
- xAI models and pricing — xAI
Written by
Luka Kušec · Editor
Editor of SI.info. Writes about Super Intelligence, technology policy and the people building frontier models.