
New Models17 min read
Kimi K3.1 Pro Open Weights Are Live: 1.56 TB Guide
Kimi K3.1 Pro's open weights are live on Hugging Face: 96 shards, 1.56 TB, ungated. Download steps, hardware math, licence catch, and API cost.
Md Badsha · 4 Nov 2026
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Kimi K3.1 Pro's open weights are live on Hugging Face: 96 shards, 1.56 TB, ungated. Download steps, hardware math, licence catch, and API cost.

Moonshot's Kimi K3.1 Pro launched 23 Oct 2026 at $2/$10 per 1M tokens — 33% cheaper than K3, 65.7% on Terminal-Bench 4.0, open weights by Nov 4.
Updated 31 October 2026: Claude Code only speaks the Anthropic Messages API, so any gateway that speaks it can put a different model behind the CLI. Kimi K2 closes to new users 31 October 2026 with retirement planned by end of December 2026 — test Kimi K3.1 Pro as its successor. Here is how the environment variables fit together, what Anthropic doesn't support, and which settings keep a non-Claude model usable.
