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Moonshot AI releases Kimi K3.1 Pro with 1M context window

Moonshot AI has released Kimi K3.1 Pro, an open-weights model with a 1 million token context window. The model is available with pricing details of $2 in and $10 out per 1 million tokens. AI

IMPACT This release offers a large context window and open weights, potentially enabling new applications and research in long-context processing.

RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Moonshot AI releases Kimi K3.1 Pro with 1M context window

How we ranked this

Signal score
11 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Significant
Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release
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AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 English(EN) · opensourceaitech ·

    📦 Fresh open weights on the leaderboard: Kimi K3.1 Pro (Moonshot AI) Context: 1M tokens · $2 in / $10 out per 1M · open weights All the latest models, tracked h

    📦 Fresh open weights on the leaderboard: Kimi K3.1 Pro (Moonshot AI) Context: 1M tokens · $2 in / $10 out per 1M · open weights All the latest models, tracked hourly: https:// olud.ai/latest.html # AI # LLM # OpenSource