Hands-on with Kimi K3.1 Pro: 2-3x faster, $0.55 per task, closing on frontier 3D work
cedric_chee · x · 2026-10-24
- Tested via the Kimi Code harness, Kimi K3.1 Pro is 2-3x faster than K3, finished a task in 5 minutes for $0.55, fixed the overthinking issue, and feels well-rounded overall.
- Benchmarked against Opus 5.5, Astra, GPT-6.1 Sol, Sonnet 5.5, DeepSeek V4.1-Flash and more; design taste now feels close to Astra-class models.
- Pricing: 5x cheaper than Astra, 3x cheaper than Opus 5.5, same as GPT-6.1 Sol — open models are closing in on the frontier for 3D work.
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