Grok 3 vs Kimi K3
Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.
X
Grok 3
xAI
MA
Kimi K3
Moonshot AI
Capability radar
Normalized coding, reasoning, writing, vision, context, and value
Grok 3Kimi K3
| Metric | Grok 3 | Kimi K3 |
|---|---|---|
| Input Price / 1M | $3.00 | $3.00 |
| Output Price / 1M | $15.00 | $15.00 |
| Combined Price / 1M | $18.00 | $18.00 |
| Context Window | 131,072 | 1,000,000 |
| Coding Score | 91 | 93 |
| Reasoning Score | 92 | 94 |
| Vision Score | 82 | 88 |
| Audio | No | No |
| Streaming | Yes | Yes |
| Function Calling | Yes | Yes |
| Latency Tier | standard | standard |
| Release Date | 2/17/2025 | 7/16/2026 |
Grok 3 — Strengths & Weaknesses
Strengths
- Strong reasoning
- Think mode
- Competitive coding
Weaknesses
- Limited context vs Google/OpenAI
Kimi K3 — Strengths & Weaknesses
Strengths
- 1M context
- Frontier coding/reasoning
- Native multimodal
Weaknesses
- Premium output pricing
- Newer ecosystem tooling
Use Case Verdicts
Enterprise Use
Kimi K3 combines strong reasoning, tooling, and context for enterprise workloads.
Agent Workflows
Kimi K3 is better suited for agentic workflows with tool use and coding capability.