Maximilian Bode

Munich today in the sunshine: Taking the @UnitreeRobotics dog for a walk.

🥳

@deepseek_ai @AlibabaGroup @crystalsssup Okay okay, due to reasonable feedback we added: @cohere for their non commercial models @ServiceNow with Apriel, I like folks there (and pipeline rl) Motif @tngtech as a shout out for awesome hacks and merges of big MoEs This is DEFINITELY right, no take backs

Hehehe ;-)

G1PO, our @UnitreeRobotics humanoid robot, was in a playful showrace against the Munich @Motorworld_de's #GT3RS. Of course, he still got helping hands from his human friends to steer him and thus the kart. @Porsche cars and TNG managers narrowly escaped, and the oil drums got only slightly bumped (yt link in reply ;-).

TNG's Chimera models reached 8th place on the market share list on @openrouter . Model usage grew to 14.4 billion tokens/day, running on @chutes_ai.

Zen Driving Études after a long day of robotics work.

News from the Aider discord regarding DeepSeek-TNG R1T2 Chimera's performance in the Aider Polyglot benchmark, courtesy of benchmark wizard neolithic5452 and the magic @UnslothAI quantizations: - 2 bit UD-IQ2_M: 60.0% - 4 bit Q4_K_XL: 62.7% - 8 bit: 64.4% This seems to be the second highest open-weights result, after @deepseek_ai's R1-0528 which scored 71.4%. It appears to be before Kimi K2 (59.1%) and also @Alibaba_Qwen's Coder-480B, which scored 60.9% in the 4 bit UD-Q4_K_XL version. On @openrouter, R1T2 currently is the 11th most popular model for Aider. Over all applications, R1T2 processed 3.12B tokens yesterday on OR. On @chutes_ai, as of today is the tenth-most popular model.

@elonmusk R1T2 Chimera #3 trending model today Right behind Grōk and Kimi K2

Fun screenshot. Let's hand over the #1 trending position to #Grok4.

DeepSeek-TNG-R1T2-Chimera is currently the #1 trending model on @openrouter The platform which @karpathy called the "transfer switch of AI". Our Assembly-of-Experts method pushes the Pareto frontier between model intelligence and inference cost. Thanks again to the Open Weights community: @deepseek_ai @huggingface, @AIatMeta @openrouter @chutes_ai @UnslothAI and @jon_durbin @ping_toven @xlr8harder @reach_vb @alexatallah to name a few

R1T2 Chimera is available on @chutes_ai Thanks to @jon_durbin and team for making it available within 24 hours!

Today we release DeepSeek-TNG R1T2 Chimera. This new Chimera is a Tri-Mind Assembly-of-Experts model with three parents, namely R1-0528, R1 and V3-0324. R1T2 operates at a sweet spot in intelligence vs. output token length. It appears to be... * about 20% faster than R1, and more than twice as fast as R1-0528 * significantly more intelligent than R1 in benchmarks such as GPQA Diamond and AIME-24/25, albeit not quite on R1-0528 level * much more intelligent than our first R1T Chimera, and also think-token consistent, which is a major improvement We perceive it as generally well-behaved and a nice persona to talk to. The weights are on @huggingface under the MIT licence. We are looking forward to your experiments and feedback! Thanks to @deepseek_ai for giving their models to the world, to @chutes_ai and @openrouter for hosting R1T, to @WolframRvnwlf for benchmarking it, to @xlr8harder for beta-testing the new Chimera, and to @natolambert for constructive discussions at @aiDotEngineer.

We post our new paper "Assembly of Experts: Linear-time construction of the Chimera LLM variants with emergent and adaptable behaviors" on @huggingface, while waiting for @arxiv. We explain how we constructed the 671B R1T Chimera child model from the great @deepseek_ai V3-0324 and R1 parent models (谢谢!) in less than one hour of CPU time. The Chimera research prototype is currently the 4th most-popular LLM on @chutes_ai with about 3.5B tokens/day, 0.9-1.0B of which flow through @openrouter. Over 160B tokens have been processed since release on April 26th.

Assembly of Experts: Our linear-time 671B Chimera LLM construction paper should soon appear on arxiv.org. We are at the @aiDotEngineer fair in SFO until tomorrow, so for a chat -> DM ;-)

More evidence for the effectiveness of the Chimera construction method: Taking DeepSeek's R1-0528 release, we started benchmarking new Chimera variants on AIME-24 and SimpleQA. R1-0528 significantly improves AIME performance from 79.8 to 91.4 while doubling the amount of output tokens compared to R1. It appears to be a great model overall. Our R1-0528-Chimera variants of R1-0528 and V3-0324 seem to improve math performance too, with results up to 83.3. Positive aspect: more compact reasoning with output-token count below that of R1. This could be an interesting trade-off for real-world applications. On SimpleQA R1T-0528-Chimera is close to the V3-0328 results and seems to fare better than R1-0528. Caveat: these numbers are just a preliminary indicator, since they stem from single benchmark runs and are subject to statistical fluctuation. We'll continue searching for variants with interesting features and beneficial behavior combinations

Having a blast in beautiful Estes Park, CO. It was a real pleasure sharing my perspective on how LLMs are transforming software engineering, and why running your own GPU stack can be a game-changer. Thanks to everyone who came with smart questions and big ideas! #LambdaConf2025

8x256 GB!