Grok 4.6
No shutdown before this date. Grok 4.6 stays on Amazon Bedrock until at least Aug 18, 2027.
≥ 10 mo- Earliest retirement
- ≥ 308 daysAug 18, 2027 · Amazon Bedrock
- Arena Text
- 1,454#39 of 128 · Arena
- GPQA Diamond
- 94.0%#11 of 108 · Epoch AI
- List price · $ per 1M
- $2.00 in $6.00 outxAI API · cached input $0.50
- Context window
- 500Ktokens
Dates on every platform
| Platform | Model ID and status | Deprecated | Shuts down | Replacement |
|---|---|---|---|---|
| Amazon BedrockAmazon Web Services: Amazon Bedrock ListFoundationModels, us-east-1 (opens in a new tab) · checked Oct 14, 2026 | xai.grok-4.6Active · also global.xai.grok-4.6, us.xai.grok-4.6 | – | ≥ 10 moNot sooner than | – |
| xAI APIxAI: grok-4.6 model page (opens in a new tab) · checked Oct 14, 2026us-east-1, us-west-2, us-central-1 | grok-4.6Active | – | None set | – |
In us-east-1, requests go through a cross-Region inference profile (listed in aliases).
Not measured on this platform under its terms.
Batch API requests are not supported.
What breaks when you move off Grok 4.6
No breaking changes are recorded for Grok 4.6.
Intelligence
| Benchmark | Publisher | Score | Rank | Published |
|---|---|---|---|---|
| Arena Text | Arena | 1,454 ± 3 | #39 of 128 | Oct 8, 2026 |
| GPQA Diamond | Epoch AI | 94.0% ± 1.4% | #11 of 108 | Aug 12, 2026 |
| Arena WebDev | Arena | 1,617 ± 4 | #14 of 69 | Oct 8, 2026 |
| Arena Agent | Arena | 0 ± 0 | #24 of 35 | Oct 12, 2026 |
| FrontierMath Tier 4 | Epoch AI | 31.7% ± 7.4% | #26 of 58 | Aug 14, 2026 |
| FrontierMath Tiers 1-3 | Epoch AI | 66.0% ± 2.8% | #29 of 71 | Aug 14, 2026 |
| OTIS Mock AIME 2024-2025 | Epoch AI | 99.2% ± 0.5% | #11 of 105 | Aug 14, 2026 |
| SimpleQA Verified | Epoch AI | 49.3% ± 1.6% | #25 of 68 | Aug 27, 2026 |
Arena (arena.ai), https://arena.ai/leaderboard
Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].
List prices
| Platform | Input | Cached | Output | In effect | Source |
|---|---|---|---|---|---|
Amazon Bedrockxai.grok-4.6 | $2.20 | $0.55 | $6.60 | Oct 1, 2026Current · Standard tier, in-Region or geographic cross-Region inference, which Bedrock prices 10% above global cross-Region inference. | Amazon Web Services: AWS Price List API: AmazonBedrock, us-east-1 (opens in a new tab) |
xAI APIgrok-4.6 | $2.00 | $0.50 | $6.00 | Aug 12, 2026Current · Requests whose prompt reaches 200k tokens are billed at twice these rates for all tokens in the request. | xAI: Models (opens in a new tab) |
Change history
ReleaseGrok 4.6 available on Amazon BedrockAmazon Bedrock
Bedrock added Grok 4.6 as xai.grok-4.6.
- Platform
- Amazon Bedrock
- Model
- Grok 4.6
Source: Amazon Web Services, Amazon Bedrock ListFoundationModels, us-east-1 (opens in a new tab)
ReleaseGrok 4.6 released on the xAI APIxAI API
xAI released grok-4.6, which builds on Grok 4.5 with a focus on long-running agents. It has a 500k context window, text and image input and no text output limit.
- Platform
- xAI API
- Model
- Grok 4.6
Source: xAI, Release Notes (opens in a new tab); xAI, Introducing Grok 4.6 (opens in a new tab)