Grok 4.6
xAI · released Aug 12, 2026
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by [Grok 4.7](/x-ai/grok-4.7).
Specification
- Context window
- 500K
- Max output
- 450K
- Knowledge cutoff
- Not stated
- Parameters
- Undisclosed
- Licence
- Proprietary
- Serving providers
- 2
- Moderated
- No
- Uptime
- 100.0%
Intelligence
44.3
94th percentile
Coding
76.8
Coding Index
Agentic
53.0
Agentic Index
Output speed
102 t/s
Median across providers
Latency
2.21s
Time to first token
Cost per task
$0.58
Estimated
Benchmarks
Where the score comes from
The Intelligence Index is a composite. These are the underlying evaluations this model was actually measured on.
Evaluation scores
Percentage correct · higher is better
- GPQA Diamond94.9%
- AA-LCR (long context)80.3%
- SciCode56.5%
- τ²-bench (Telecom)50.7%
- Humanity's Last Exam42.9%
An evaluation missing from this list was not run for this model — it is not a zero.
View as table
| Evaluation | Score |
|---|---|
| GPQA Diamond | 94.9% |
| AA-LCR (long context) | 80.3% |
| SciCode | 56.5% |
| τ²-bench (Telecom) | 50.7% |
| Humanity's Last Exam | 42.9% |
Against its peers
Intelligence Index · this model highlighted, nearest peers in grey
- Grok 4.7xAI46.4
- MiMo-V2.6-ProXiaomi46.3
- 45.4
- GLM 5.3Z.ai44.8
- Grok 4.6xAI44.3
- Step 5 PreviewStepFun43.7
- Kimi K3Moonshot AI43.6
- Claude Haiku 5.5Anthropic43.4
Peers are the models sitting closest on the Intelligence Index — the set you would realistically choose between.
View as table
| Model | Intelligence |
|---|---|
| Grok 4.7 | 46.4 |
| MiMo-V2.6-Pro | 46.3 |
| Qwen3.8 Max (0902) | 45.4 |
| GLM 5.3 | 44.8 |
| Grok 4.6 | 44.3 |
| Step 5 Preview | 43.7 |
| Kimi K3 | 43.6 |
| Claude Haiku 5.5 | 43.4 |
Percentile among all indexed models
Pricing
What it costs to run
List prices per million tokens, plus what one representative task works out to.
List price
- Input / 1M tokens
- $2
- Output / 1M tokens
- $6
- Cached input / 1M
- $0.5
- Blended 3:1
- $3
One task, estimated
$0.58
- Input tokens
- 50,000
- Output tokens
- 80,000
- Profile
- Reasoning
Estimated from list pricing: 50K input tokens plus 80K output tokens for reasoning models (25K for non-reasoning).
Serving providers
Speed and latency figures are medians across these providers, so a widely-served model reports a blend rather than any single endpoint.