GPT-5 / Claude Sonnet 4 / DeepSeek / Grok 4 / Gemini 2.5 Pro
Model Provider
xAI
Multiple Providers
Context Window
128,000 tokens
Up to 200,000 tokens
Company
xAI Corp.
TagMango Inc. (AI Fiesta)
HQ
United States
India / US
Founded
2023
2024
Funding Stage
Series b
Seed
Total Funding
$6 billion raised ($24B Valuation)
Seed Funded (Y Combinator Alumni)
Overall Rating
4.6 ★ (9500 reviews)
4.6 ★ (1250 reviews)
Our Verdict
Grok and AI Fiesta are both strong tools
with different strengths.
Overall, Grok edges ahead in this comparison —
but we recommend trying both using free trials before deciding.