xAI/Grok 4 Fast reported as a lower‑cost Grok variant with large context window

A third‑party outlet reports a new Grok variant called Grok 4 Fast with claimed performance, reduced token usage, a 2M token context window, benchmark scores and a per‑token price; claims are in the TechShots article and should be verified against primary xAI sources.

In this brief: 2 sections 1 min read

- Context window: reported as 2,000,000 tokens.
- Benchmarks: GPQA Diamond 85.7%, AIME 2025 92%, HMMT 2025 93.3% as quoted.
- Pricing: reported at $0.20 per million input tokens and reduced token usage vs Grok 4.
- Source type: TechShots article — not a direct xAI/blog link in the search results.
- Verification: No accompanying xAI blog, model card or developer doc was returned in the provided results to confirm the claims.
- Recommendation: Treat the technical and pricing details as reported by TechShots pending confirmation from xAI.

Read full analysis on techshotsapp.com

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