Grok 4 vs LLaMA 3.1 405B — Which Is Better in 2026?
Grok 4 vs LLaMA 3.1 405B: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.
xAI
Grok 4
xAI's most powerful model with real-time X data
Meta
LLaMA 3.1 405B
Best open-source LLM — free to run
8.3
Overall Score
WINNER7.8
Overall Score
Our Verdict
Grok 4 scores higher overall (8.3/10 vs 7.8/10), winning on Performance and Reliability. xAI's most powerful model. 1M token context, real-time X/web data, and strong reasoning.
Pricing — Grok 4
SuperGrok $30/mo · API via xAI
Pricing — LLaMA 3.1 405B
Free (self-hosted) · Cloud inference from $0.003/1K tokens
Grok 4
Pros
- ✓1M token context window
- ✓Real-time access to X/Twitter and web data
- ✓Strong reasoning competitive with o3
Cons
- ✗Requires SuperGrok subscription for best access
- ✗Smaller ecosystem than OpenAI/Google
- ✗Privacy considerations for X data usage
Best For
Real-time news analysis, social media insights, long-document reasoning
LLaMA 3.1 405B
Pros
- ✓Fully open-source weights — self-host for free
- ✓No data sent to third parties
- ✓Competitive with GPT-4 class models
Cons
- ✗Requires GPU infrastructure to run
- ✗No official support or SLA
- ✗Harder to set up than hosted solutions
Best For
Privacy-first deployments, open-source enthusiasts, budget-conscious teams with infrastructure
Choose Grok 4 if…
- →Performance is your top priority — Grok 4 leads by 0.7 points
- →Real-time news analysis
- →You also value Reliability — Grok 4 wins that dimension too
Choose LLaMA 3.1 405B if…
- →Value is your top priority — LLaMA 3.1 405B leads by 2.0 points
- →Privacy-first deployments
- →Meta support, documentation, and community suit your team
Frequently Asked Questions
Is Grok 4 better than LLaMA 3.1 405B?
Grok 4 scores 8.3/10 overall vs 7.8/10 for LLaMA 3.1 405B, with an edge on Performance and Reliability and Ease of Use. That said, "LLaMA 3.1 405B" may be the better pick if value is your priority. The right choice depends on your use case.
What is the pricing difference between Grok 4 and LLaMA 3.1 405B?
Grok 4: SuperGrok $30/mo · API via xAI. LLaMA 3.1 405B: Free (self-hosted) · Cloud inference from $0.003/1K tokens. Compare usage volumes and features needed to determine total cost of ownership for your team.
Which is better for real-time news analysis?
Grok 4 is generally stronger here, scoring 8.3/10 overall. xAI's most powerful model. 1M token context, real-time X/web data, and strong reasoning. For more niche requirements like value, LLaMA 3.1 405B may be worth evaluating.
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