Claude Sonnet 5 vs Grok Build 0.1 vs Kimi K3
Models that run tools well: the benchmark band leads with Terminal-Bench and the agent-loop demos show real multi-step work where captures exist.Last reviewed 2026-07-17.
Claude Sonnet 5 vs Grok Build 0.1 vs Kimi K3
Anthropic's fifth-generation Sonnet — near-Opus intelligence at Sonnet speed and price.
xAI's agentic build model for autonomous software engineering.
MoonshotAI's 2.8T-parameter flagship for complex coding, knowledge work, and long-horizon agent runs.
No captured outputs for these models yet.
Frequently asked
Which of Claude Sonnet 5, Grok Build 0.1, and Kimi K3 is the cheapest?
Grok Build 0.1 has the lowest blended list price. Per 1M tokens: Claude Sonnet 5 at $3.00 in / $15.00 out; Grok Build 0.1 at $1.00 in / $2.00 out; Kimi K3 at $3.00 in / $15.00 out.
Which of Claude Sonnet 5, Grok Build 0.1, and Kimi K3 has the largest context window?
Kimi K3 leads with 1M tokens. The other two: Claude Sonnet 5 at 1M, Grok Build 0.1 at 256K.
Do Claude Sonnet 5, Grok Build 0.1, and Kimi K3 support image input?
Yes, all three accept images.
Where can I run Claude Sonnet 5, Grok Build 0.1, and Kimi K3 side by side?
This idapt comparison runs all three in aligned columns: the same prompt, plus benchmarks, specs, and prices per model. Open any model in chat from its column to keep working with it.