Kimi K3.1 Pro cracks Code Arena top 10 at a fraction of Claude's cost
Moonshot's Kimi K3.1 Pro scored 1692 on Code Arena: WebDev, ranking 8th and topping open-source models while matching Claude Opus at about 30% of its cost, lifting Moonshot to 4th on the vendor leaderboard.
2026-10-24 ~ 2026-10-24 · 4 related posts
- Episode 1: Leaks Point to Imminent Kimi K3.1 Launch with 3D Rendering and Low Cost(2026-10-22, 17 posts)
- Episode 2: Moonshot teases Kimi K3.1 after strong Arena showing(2026-10-23, 4 posts)
- Episode 3: Kimi K3.1 Pro Rolls Out: 3T-Parameter Flagship with 1M Context(2026-10-24, 12 posts)
- Episode 4: Moonshot Releases Kimi K3.1 Pro, Claims Strongest 3T-Class Open-Weights Model(2026-10-24, 33 posts)
- Episode 5: Nathan Lambert Calls Kimi K3.1 Pro the Strongest Open-Weight Model(2026-10-24, 2 posts)
- Episode 6: Kimi K3.1 Pro cracks Code Arena top 10 at a fraction of Claude's cost(2026-10-24, 4 posts)
- Episode 7: Moonshot's Kimi K3.1 Pro Ranks 4th on Artificial Analysis Index, Closing Gap with Closed Models(2026-10-24, 13 posts)
- Moonshot Kimi now ranks #4 lab on Code Arena WebDev leaderboard — arena · 2026-10-24
- Kimi K3.1 Pro hits #4 lab on Code Arena WebDev, 74% cheaper than Claude Opus 5 — arena · 2026-10-24
- Kimi K3.1 Pro jumps to #8 on WebDev Arena, matching Claude Opus 5 at 70% lower cost — testingcatalog · 2026-10-24
- Kimi K3.1 Pro hits #8 on Code Arena WebDev, matching Claude Opus-5 at 70% lower cost — arena · 2026-10-24