$ diff astra grok-4-6
Astra vs Grok 4.6
Values come from Astra and Grok 4.6, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
OpenAIAstra
- context
- 1.1M
- weights
- closed
- $/M in
- $10
- $/M out
- $50
- context
- 500K
- weights
- closed
- $/M in
- $2
- $/M out
- $6
What actually differs
- Context window
- Astra takes 1.1M against 500K — 2.1× more room in a single request.
- Input price
- Grok 4.6 at $2/M against $10/M — 5.0× cheaper to feed. Standard rates: one of these labs also quotes a lower cached-input tier, which applies only when a prefix is reused — see the full spec below.
- Output price
- Grok 4.6 at $6/M against $50/M — 8.3× cheaper to generate. Output dominates the bill on most agentic workloads, where the model writes far more than it reads.
- Recency
- Astra shipped 27 days after Grok 4.6 (2026-09-03 vs 2026-08-07).
Full spec
| Attribute | Astra | Grok 4.6 |
|---|---|---|
| Developer | OpenAI | xAI |
| Released | 2026-09-03 | 2026-08-07 |
| Context window | 1,050,000 tokens (128,000 max output) | 500,000 tokens |
| Pricing | $10/M input · $50/M output | $2/M input · $6/M output; a request reaching 200K tokens re-prices in full at $4.00/M input · $1.00/M cached input · $12.00/M output |
| License | proprietary | proprietary |
| Availability | ChatGPT Plus, Pro, Business, Enterprise · OpenAI API · AWS — staged, see below | API |