Grok 3.5
xAI's previous flagship (now superseded by Grok 4.20). Real-time X data access, strong reasoning. See Grok 4.20 for the latest 4-agent architecture model.
Pricing
Ratings
Pros
- Real-time data from X/Twitter
- Strong reasoning capabilities
- 256K context window
- Multimodal input support
- Unfiltered responses
Cons
- SuperGrok subscription required ($30/mo)
- Smaller developer ecosystem
- Beta availability
Best For
Real-time analysis, social media research, unfiltered conversations
Quick Info
- Provider
- xAI
- Version
- 3.5
- Released
- Feb 2026
- Context
- 256K tokens
Features
Compare Grok 3.5 With
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Frequently Asked Questions
Is Grok 3.5 worth it in 2026?
With a rating of 4.5/5, Grok 3.5 is best for Real-time analysis, social media research, unfiltered conversations. At $30/mo, it's competitive for its feature set.
What are the best alternatives to Grok 3.5?
Top alternatives include OpenClaw, Claude Opus 4.5, Claude Sonnet 4.5, and GPT-5.1 Instant. Each has different strengths — use our comparison tool above to see detailed head-to-head matchups.
Does Grok 3.5 have a free plan?
Grok 3.5 does not currently offer a free plan. Plans start at $30/mo.