xAI Grok 4.6 arrives on Amazon Bedrock
xAI's Grok 4.6 is now available in Amazon Bedrock for long-running agents, coding, and knowledge work. It offers a 500K token context window and four reasoning effort levels, running on the bedrock-mantle and bedrock-runtime endpoints with Converse API and cross-Region inference support.
First seen 21 Sep, 18:30 UTC on AWS Machine Learning blog1 sourceLast update 29d ago
xAILaunch · 21 Sep
Grok 4.6
New product or feature
500Kcontext
How Grok 4.6 compares
List prices per million tokens, context and Arena's text leaderboard, against xAI's other top models and the leading labs' best. The percentages are Grok 4.6's price against each.
| Model | Released | Input | Output | Context | Arena |
|---|---|---|---|---|---|
| Grok 4.6 | August 2026 | $2.00 | $6.00 | 500K | not ranked yet |
| Grok 4.7 | September 2026 | $2.00 | $6.00 | 500K | not ranked yet |
| Grok 4.5 | Jul 2026 | $2.00 | $6.00 | 500K | #44 1466 |
| Claude Opus 5.5 | September 2026 | $4.00 -50% | $20.00 -70% | 1M | #2 1507 |
| GPT-6 Astra | September 2026 | $10.00 -80% | $50.00 -88% | 1.05M | #30 1475 |
| Gemini 4 Argon | October 2026 | $2.00 | $10.00 -40% | 1M | #1 1525 |
Arena ranks the best effort setting of each model among all models on its text leaderboard. Every model and price.
What the sources say
Linked, never rewritten. Official means the lab itself.
Press0
No independent coverage yet.
How it unfolded
Every source in the order it appeared. Times in UTC.
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