Comprehensive side-by-side LLM comparison
Grok-3 leads with 15.0% higher average benchmark score. Kimi K2 0905 offers 388.3K more tokens in context window than Grok-3. Kimi K2 0905 is $14.90 cheaper per million tokens. Grok-3 supports multimodal inputs. Overall, Grok-3 is the stronger choice for coding tasks.
xAI
Grok 3 was introduced as xAI's third-generation flagship model, designed to push the boundaries of reasoning, factual accuracy, and helpful assistance. Built to advance the state of AI capabilities, it incorporates improvements across language understanding, generation, and analytical thinking.
Moonshot AI
Kimi K2 was introduced as the second generation of Moonshot's language model family, designed to provide enhanced capabilities across language understanding and generation. Built with architectural improvements and expanded training, it represents a significant advancement in Moonshot's model offerings.
6 months newer

Grok-3
xAI
2025-02-17

Kimi K2 0905
Moonshot AI
2025-09-05
Cost per million tokens (USD)

Grok-3

Kimi K2 0905
Context window and performance specifications
Average performance across 2 common benchmarks

Grok-3

Kimi K2 0905
Grok-3
2024-11-17
Available providers and their performance metrics

Grok-3
xAI

Kimi K2 0905

Grok-3

Kimi K2 0905

Grok-3

Kimi K2 0905
Novita
ZeroEval