SpaceXAI: Grok 4.6
by xAISpaceXAI: Grok 4.6 is a large language model from xAI. It costs $2.00 per million input tokens and $6.00 per million output tokens. Its context window is 500K tokens.
- Input / 1M tokens
- $2.00
- Output / 1M tokens
- $6.00
- Cached input / 1M
- $0.500
- Context window
- 500K
On repeated prefixes
tokens
This model also charges $0.005 per search request
That is $5.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.005, so the search fee is about the same the token cost. Per-token rankings elsewhere ignore this entirely.
Who serves it cheapest
2 hosts serve Grok 4.6. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| xAICheapest | $2.00 | $6.00 | 500K | - | 99.3% |
| Amazon Bedrock | $2.20 | $6.60 | 500K | - | - |
The spread between xAI and Amazon Bedrock is 1.1× for identical weights. Quantization and context limits differ, so check both columns before switching.
Benchmarks
Independent scores published alongside the catalogue.
- Intelligence index
- 44.4
- Coding index
- 76.8
- Agentic index
- 53.4
About Grok 4.6
Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Specifications
| Model ID | x-ai/grok-4.6 |
|---|---|
| Provider | xAI |
| Context window | 500K tokens |
| Max output | 450K tokens |
| Input modalities | text, image, file |
| Output modalities | text |
| Knowledge cutoff | - |
| Open weights | No |
| Released | August 12, 2026 |
Cheaper alternatives
Models that cost less than Grok 4.6 while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does SpaceXAI: Grok 4.6 cost?
$2.00 per million input tokens and $6.00 per million output tokens. Cached input reads cost $0.500 per million tokens.
What is the context window of SpaceXAI: Grok 4.6?
500K tokens, with up to 450K tokens of output per request.
Does SpaceXAI: Grok 4.6 have extra fees beyond per-token pricing?
Yes. SpaceXAI: Grok 4.6 charges $0.005 per search request - $5.00 per 1,000 requests - on top of $2.00 per million input tokens and $6.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is about the same the token cost.
Which provider serves SpaceXAI: Grok 4.6 cheapest?
xAI at $2.00 per million input tokens - 1.1× cheaper than Amazon Bedrock, the most expensive of the 2 hosts serving it.
Confirm against the source: xAI official pricing.