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GPT-6 Astra vs Grok 4.7

How does GPT-6 Astra (OpenAI) compare against Grok 4.7 (xAI)? Side-by-side scores, capability ratings and pricing, plus a clear verdict.

🏆 Quick verdict

GPT-6 Astra comes out ahead with an AIVerso score of 98 vs 93 and an aggregate capability rating of 665 vs 624 across 7 categories. Grok 4.7 is the budget pick with a free tier.

Overall winner
GPT-6 Astra
by OpenAI
Score: 98/100
PriceFrom $20/mo (Plus)
Pricing details$10/$50 per 1M
Context window1M
Free tierNo
API accessYes
Open sourceNo
Headline factsOpenAI's "AGI-era" flagship · FrontierMath Tier 4 97.6% · Terminal-Bench 4.0 57.9% · 1M context
Try GPT-6 Astra → Full GPT-6 Astra profile →
Grok 4.7
by xAI
Score: 93/100
PriceFrom $8/mo
Pricing detailsFree – $40/mo
Context window500K
Free tierYes
API accessYes
Open sourceNo
Headline factsReal-time X search · big coding upgrades at unchanged $2/$6 pricing · AA Intelligence Index 46 · 500K context
Try Grok 4.7 → Full Grok 4.7 profile →

📊 Capability ratings

AIVerso capability ratings (0–100) per category — an editorial summary informed by public benchmark results. Higher is better.

Category
GPT-6 Astra
Grok 4.7
Math & Logice.g. AIME, MATH-500
97
90
Programminge.g. SWE-bench, LiveCodeBench
92
86
Reasoninge.g. GPQA, ARC
96
91
Knowledgee.g. MMLU-Pro
94
88
Long Contexte.g. MRCR, needle tests
96
92
Instruction Followinge.g. IFEval
95
89
Agent Capabilitye.g. Terminal-Bench, tool use
95
88

Why GPT-6 Astra

Higher overall score (98 vs 93)
Larger context window (1M vs 500K)
Leads on Math & Logic (97 vs 90)
Leads on Programming (92 vs 86)
Leads on Reasoning (96 vs 91)
Leads on Knowledge (94 vs 88)
Leads on Long Context (96 vs 92)

Why Grok 4.7

Has a free tier
Cheaper paid plan (From $8/mo vs From $20/mo (Plus))
Real-time X search
big coding upgrades at unchanged $2/$6 pricing

Open this comparison in the live tool →

❓ Frequently Asked Questions

Which is better: GPT-6 Astra or Grok 4.7?

GPT-6 Astra has the higher AIVerso score (98 vs 93). The better choice still depends on your use case — Grok 4.7 is the cheaper option.

How much does GPT-6 Astra cost compared to Grok 4.7?

GPT-6 Astra: From $20/mo (Plus) ($10/$50 per 1M). Grok 4.7: From $8/mo (Free – $40/mo). Only Grok 4.7 has a free tier.

What context window does each support?

GPT-6 Astra: 1M tokens. Grok 4.7: 500K tokens. The context window determines how much text, code or chat history a model can process at once.

Are GPT-6 Astra and Grok 4.7 open source?

GPT-6 Astra is a closed, proprietary model. Grok 4.7 is a closed, proprietary model.

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How we compare: Scores and capability ratings are based on public benchmarks and provider documentation — not on commission rates. Last updated: September 29, 2026.