MiniMax-H3 Tops Open-Source Video Models, Ranks Third Overall

MiniMax's latest video generation model H3 has achieved breakthroughs in multiple benchmarks, becoming the current state-of-the-art open-source video generation model and ranking high on the overall leaderboard, significantly narrowing the gap with closed-source models.

Confirmed

Leaderboard performance: On the latest Text-to-Video Arena leaderboard, MiniMax-H3 scored 1455 points, tying for 3rd overall, behind only Muse Video and Hailuo-2.3.
Open-source SOTA: The model ranks first among open-weight models in both text-to-video and image-to-video dimensions. According to @aziz4ai, H3 has become the open-source SOTA on both LMSYS Chatbot Arena and Artificial Analysis benchmarks.
Image-to-video capability: @PetersOdyssey noted that H3's image-to-video capability is nearly on par with Dreamina Seedance 2.0.

Why it matters

Narrowing gap between open and closed source: The release of MiniMax-H3 marks that open-source video generation models are further approaching or even matching closed-source models in performance, providing developers with a more powerful free/open alternative.
Changing competitive landscape: H3's performance on the leaderboard disrupts the existing ranking, posing substantial competitive pressure on leading models such as Muse Video, Hailuo, and Seedance.

2026-08-04 ~ 2026-08-05 · 5 related posts

Full story(10 episodes)→

Episode 1: MiniMax-H3 Tops Open-Source Video Models, Ranks Third Overall(2026-08-04, 5 posts)
Episode 2: MiniMax H3 Video Model Hands-on: Stunning Quality, Local Deployment Supported(2026-08-04, 16 posts)
Episode 3: MiniMax H3 Hands-on: Stunning AV Sync, but Prompts Need Explicit Dialogue(2026-08-05, 19 posts)
Episode 4: MiniMax Launches H3 Video Generation Model(2026-08-05, 3 posts)
Episode 5: MiniMax H3 Hands-on: Stunning Styles, Physics Limits Remain(2026-08-06, 13 posts)
Episode 6: MiniMax H3 Hands-on: Character Consistency and Continuation Workflows Praised(2026-08-07, 13 posts)
Episode 7: MiniMax H3 Overseas Tests: Multi-Style Long Video Generation Praised(2026-08-12, 13 posts)
Episode 8: MiniMax H3 Video Generation: Tests and Creative Works(2026-08-13, 24 posts)
Episode 9: MiniMax H3 Tops the AI Video Edit Arena Leaderboard(2026-08-13, 2 posts)
Episode 10: JSON prompt template turns MiniMax H3 ideas into polished videos(2026-08-15, 2 posts)

Primary sources

MiniMax-H3 ranks third on the Text-to-Video Arena leaderboard, just 3 points off Muse Video — arena · 2026-08-04 07:16 (UTC+08:00)
Minimax-H3 Nearly Ties with Seedance 2.0 in Arena's Image-to-Video Ranking — PetersOdyssey · 2026-08-04 20:00 (UTC+08:00)
MiniMax H3 Claims SOTA Open-Source Video Model on Arena and Artificial Analysis — aziz4ai · 2026-08-05 23:30 (UTC+08:00)

[source] MiniMax-H3 ranks third on the Text-to-Video Arena leaderboard, just 3 points off Muse Video — arena · 2026-08-04
MiniMax-H3 is tied for third on the Text-to-Video Arena leaderboard — arena · 2026-08-04
MiniMax-H3 tops the open-model Video Arena and ties for third overall — KyeGomezB · 2026-08-04
[source] Minimax-H3 Nearly Ties with Seedance 2.0 in Arena's Image-to-Video Ranking — PetersOdyssey · 2026-08-04
[source] MiniMax H3 Claims SOTA Open-Source Video Model on Arena and Artificial Analysis — aziz4ai · 2026-08-05