Last refreshed 2026-06-27. Next refresh: weekly.
Why use Grok 4.3 on Microsoft Foundry?
Microsoft Foundry offers Grok 4.3 with competitive pricing. Microsoft Foundry is a unified Azure platform-as-a-service offering for enterprise AI operations, model builders, and application development.
Compare Grok 4.3 across 5 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: grok-4.3grok-4.3Request example
grok-4.3.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Compare Grok 4.3 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| xAI Console | $1.25 | $2.50 |
| OpenRouter | $1.25 | $2.50 |
| Microsoft Foundry | — | — |
| Vercel AI Gateway | $1.25 | $2.50 |
| AWS Bedrock | $1.25 | $2.50 |
Capabilities
About Grok 4.3
xAI's Grok 4.3 is the current flagship API chat model for agentic tool calling and instruction following. xAI lists text and image input, text output, configurable reasoning, a 1,000,000 token context window, cached-input pricing, function calling, and structured outputs.
FAQ
What is the context window for Grok 4.3 on Microsoft Foundry?
Grok 4.3 supports a 200k token context window on Microsoft Foundry.
How does Microsoft Foundry compare to other Grok 4.3 providers?
Grok 4.3 is available from 5 providers. The cheapest input pricing is $1.25/1M tokens from xAI Console.
What API model ID do I use for Grok 4.3 on Microsoft Foundry?
Use the model ID grok-4.3 when calling Microsoft Foundry's API.
Who created Grok 4.3?
Grok 4.3 was created by xAI as part of the Grok 4 model family.
Is Grok 4.3 open source?
Grok 4.3 is not open source; the seed data lists it as proprietary.