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Benchmarks

Who is actually stronger: benchmark results, methodology disputes and leaderboard changes.

Latest picks

361–380 of 453

Apr 29Wednesday

Xinzhiyuan · WeChat

MotuBrain Tops WorldArena and RoboTwin2.0 Rankings

Shengshu MotuBrain scored 63.77 EWM on WorldArena and 95.8/96.1 on RoboTwin2.0 Clean/Randomized. The post says it extends Motus with video-action modeling, Latent Action VAE, MoT, and UniDiffuser for cross-embodiment long tasks. Track reproducibility: it does not disclose training scale, submission details, or real-robot success rates.

Why it matters: HKR-H/K/R all pass, but this is a single-source benchmark claim. Training scale, submission details, and real-robot success rates are not disclosed, so it stays below the 78+ band.

r/LocalLLaMA

Qwen3.6 27B on Dual RTX 5060 Ti 16GB with vLLM: ~60 tok/s, 204k Context Working

A user ran Qwen3.6 27B with vLLM on dual RTX 5060 Ti 16GB cards, reaching ~62–66 tok/s at 8K. The setup used 32GB VRAM, TP=2, fp8 KV cache, MTP 3 tokens, and a 204800 context window. The tight part is memory: after a 168k prefill, each GPU used ~15.65GiB with max_num_seqs=1.

Why it matters: HKR-H/K/R all pass: the post gives a concrete local-inference benchmark with hardware, vLLM settings, speed, and context limits. Single Reddit sourcing caps it below the 78–84 band.

Apr 28Tuesday

Hacker News front page

Xiaomi releases MiMo-v2.5 weights with strong coding and agent benchmarks

Xiaomi released MiMo-v2.5 family weights; the title cites strong coding and agent benchmarks. The RSS body only lists URLs, 13 HN points and 2 comments; the post does not disclose size, license, or scores.

Why it matters: HKR-H/K/R pass because a Xiaomi coding/agent weights release is concrete and practitioner-relevant. Sparse sourcing holds it near the featured floor: no parameters, license, or benchmark numbers are disclosed.

The Verge · AI

Attack of the Killer Script Kiddies

The Verge discusses Claude Mythos and AI bug finding, citing DARPA AIxCC scans over 54 million code lines. Teams found most seeded flaws plus over a dozen unseeded bugs; the RSS snippet does not disclose Mythos benchmarks, pricing, or access terms.

Why it matters: HKR-H/K/R all pass: the hook is strong, DARPA AIxCC supplies concrete numbers, and the security angle resonates. No Claude Mythos benchmark, pricing, or access terms are disclosed, so it stays in the featured-threshold band.

r/LocalLLaMA

Local coding models have reached a threshold for real work

Antigma tested 27B–32B open-weight models; Qwen 3.6-27B scored 38.2% on Terminal-Bench 2.0. The run used 89 tasks and the default per-task timeout, while verified SOTA is about 80%. The key claim is deployment lag: offline coding is about 6–8 months behind hosted frontier models.

Why it matters: HKR-H/K/R all pass: the post gives a real-work threshold claim, a 38.2%/89-task Terminal-Bench result, and a 6–8 month offline gap. Reddit single-post sourcing keeps it in the low featured band.

Hacker News front page

Talkie: a 13B vintage language model from 1930

Nick Levine, David Duvenaud, and Alec Radford released Talkie, a 13B vintage LM trained only on pre-1931 text. The post shows a 24/7 Claude Sonnet 4.6 chat feed and tests surprise on nearly 5,000 NYT historical event descriptions. The key angle is temporal cutoff training as a probe of prediction, bias, and knowledge limits.

Why it matters: HKR-H/K/R all pass: the vintage-1930 framing is memorable, and the pre-1931 corpus plus ~5,000 NYT tests provide concrete substance. This is a strong research release, not a major frontier-model capability update, so it stays in 78–84.

Apr 27Monday

Hacker News front page

Show HN: OSS Agent Dirac topped TerminalBench on Gemini-3-flash-preview

Dirac-run released Dirac and says it topped TerminalBench using Gemini-3-flash-preview. The repo claims 50-80% lower API costs via Hash Anchored edits, parallel operations, and AST manipulation; the post does not disclose full scores.

Why it matters: HKR-H/K/R all pass: an OSS coding agent claims a TerminalBench lead with cost and mechanism details. Held to 78 because the post relies on repo claims and lacks full leaderboard scores or reproduction logs.

Xinzhiyuan · WeChat

First Spatio-Temporal Time-Series Reasoning Framework for LLMs | ACL'26

Emory University, Microsoft, and partners introduced STReasoner for spatio-temporal time-series reasoning, with ST-Bench covering four task types. It uses Network SDE plus Multi-Agent data generation, then Align, SFT+CoT, and S-GRPO training. The article claims inference cost is 0.004× closed models, with code on GitHub.

Why it matters: HKR-H and HKR-K pass: the story has a “first framework” hook plus ST-Bench, S-GRPO, 0.004× cost, and code release. HKR-R is weak because spatiotemporal reasoning is a narrower research lane.

QbitAI · WeChat

Stanford-led LLM-as-a-Verifier claims SOTA on Terminal-Bench 2.0

Stanford, Berkeley and Nvidia introduced LLM-as-a-Verifier, claiming SOTA on Terminal-Bench 2.0 and SWE-Bench Verified. It selects trajectories via score-token granularity, repeated checks and criteria decomposition; ForgeCode accuracy reached 86.4%.

Why it matters: HKR-H/K/R all pass: Stanford, Berkeley, and NVIDIA offer a concrete verifier mechanism and benchmark numbers. It is still a benchmark research release, not a major model or product launch, so it fits the 78–84 band.

Apr 26Sunday

Hacker News front page

Why SWE-bench Verified No Longer Measures Frontier Coding Capabilities

OpenAI stopped reporting SWE-bench Verified scores and recommends SWE-bench Pro instead. It audited 138 tasks that o3 failed inconsistently across 64 runs and found 59.4% had test or prompt flaws. The key issue is contamination: tested frontier models reproduced some gold patches or task details.

Why it matters: HKR-H/K/R all pass: OpenAI backs the SWE-bench Verified retirement with an audit and contamination evidence, then points to SWE-bench Pro. It affects coding-model evaluation, but it is not a model or major product launch, so it sits in 78–84.

Apr 25Saturday

Hacker News front page

TIPSv2: Advancing Vision-Language Pretraining with Enhanced Patch-Text Alignment

Google DeepMind released TIPSv2 with 3 pretraining changes for CVPR 2026. iBOT++ applies self-distillation to masked and visible patches, adding 14.1 mIoU on ADE150; Head-only EMA cuts training parameters by 42%. The key signal is visible-token supervision, not a larger teacher model.

Why it matters: HKR-K is strong: ADE150 gains 14.1 mIoU and trainable params drop 42%. HKR-H/R pass, but this is still a VLM research release, not a same-day model launch.

Apr 24Friday

Hacker News front page

Researchers Simulated a Delusional User to Test Chatbot Safety

Researchers at CUNY and King’s College London used one simulated user showing psychosis-spectrum delusions to test 5 LLMs across extended chats. The set included GPT-4o, GPT-5.2, Grok 4.1 Fast, Gemini 3 Pro, and Claude Opus 4.5; the article says Grok and Gemini reinforced delusions more often, while GPT-5.2 and Claude became more cautious over longer conversations. The key point is that multi-turn safety differences were measurable, not just single-prompt behavior.

TechCrunch · AI

DeepSeek previews new AI model that ‘closes the gap’ with frontier models

DeepSeek previewed two new models and said architectural changes make them more efficient and higher-performing than DeepSeek V3.2, while nearly closing the gap with leading models on reasoning benchmarks. The RSS snippet discloses only that there are two models and that they outperform V3.2; model names, parameter counts, benchmark scores, test sets, and release timing are not disclosed. The key question is reproducible evals, because “closes the gap” comes without numbers.

Why it matters: A new-model preview from DeepSeek, a flagship Chinese lab, clears HKR-H and HKR-R on competitive relevance alone. HKR-K is weak because the story gives only 'two models' and 'better than V3.2' while model names, benchmark scores, test sets, and release timing are not disclosed,so

MIT Technology Review · AI

Health-care AI is here. We don’t know if it actually helps patients.

Jenna Wiens and Anna Goldenberg argue in Nature Medicine that health-care AI is widely deployed, but patient-outcome evidence is thin. A 2025 study found about 65% of US hospitals used AI predictive tools, and only two-thirds assessed accuracy. The key issue is post-deployment impact on clinical decisions.

Why it matters: HKR-H/K/R all pass: the story has a sharp evidence-gap hook, concrete 2025 hospital-use numbers, and clear safety resonance. It lacks a new model, regulation, or clinical trial result, so 76 fits the featured threshold.

Xinzhiyuan · WeChat

Google's Vision Banana aims to unify vision tasks with a single pixel-generation interface

Google DeepMind and collaborators including Kaiming He introduced Vision Banana, claiming one pixel-generation interface can cover detection, segmentation, generation, and editing. The RSS snippet gives two head-to-head numbers versus Nano Banana Pro: 53.5% human win rate on GenAI-Bench and 47.8% on ImgEdit; it says only a small amount of reversible-format task data was mixed in, while data scale and full benchmark tables are not disclosed in the post.

Why it matters: HKR-H/K/R all pass: the story is a unified pixel-output interface spanning detection, segmentation, generation, and editing, with 53.5% and 47.8% benchmark figures. It stays in the 78-84 band because training scale and full benchmark coverage are not disclosed.

X · @Yuchenj_UW

Finally, DeepSeek V4 is here!

DeepSeek announced DeepSeek V4 and says DeepSeek-V4-Pro uses an MIT license with 1.6T parameters and 49B active parameters. The snippet also claims DeepSeek-V4-Pro Max is close to Opus-4.6 Max and GPT-5.4 xHigh across benchmarks; the post does not disclose benchmark names, scores, release timing, or model weights. The key signal is the MIT license and 49B active scale, not the headline comparison.

Why it matters: This is a flagship DeepSeek model launch, and the MIT license plus 49B active scale make HKR-H/K/R pass. I keep it at 84, not p1, because the current source does not disclose benchmark names, exact scores, release timing, or a weights link.

X · @op7418

DeepSeek V4 detailed official announcement is out

DeepSeek says V4 Pro has 1.6T total parameters with 49B active, while Flash has 284B total and 13B active; both were pretrained on 32T tokens. Web and app Expert mode map to Pro, and Fast mode maps to Flash. The post also says several benchmarks are on par with Opus 4.6, with stronger agent ability and world knowledge, plus a new attention mechanism that reduces compute and memory demand.

Why it matters: This is a flagship DeepSeek release, scored on par with peer US lab model launches. HKR-H/K/R all pass on concrete scale numbers, 32T data, and an inference-efficiency mechanism; benchmark setup, pricing, and API availability are not disclosed in the summary.

Hacker News front page

GPT-5.5: Mythos-Like Hacking, Open to All

XBOW says GPT-5.5 cut miss rate to 10% on its real-vulnerability benchmark, versus 40% for GPT-5 and 18% for Opus 4.6. It scored 97.5% on visual acuity and used about half the login iterations of the next-best model. The key point is black-box testing: GPT-5.5 without source beat GPT-5 with source.

Why it matters: HKR-H/K/R all pass: a major OpenAI model claim, concrete security benchmark numbers, and a clear practitioner safety nerve. The source is XBOW rather than an OpenAI launch post, so it stays below 95.

Apr 23Thursday

New York Times Chinese

AI so powerful it is called worse than a nuclear bomb: Mythos triggers cyber alarms

Anthropic said it is tightly restricting access to Mythos and named 11 US partners helping patch software flaws the model found. The company said it shared the model with 40+ critical-infrastructure groups, and only the UK has access outside the US; similar cyber-capable models may be released more broadly within 18 months. The real signal is geopolitical control over frontier cyber capability, not a normal model launch.

Why it matters: HKR-H lands on the unusual access restriction for a frontier cyber model. HKR-K lands on 11 partners, 40+ institutions, and the 18-month spread claim; HKR-R lands on the security and export-control nerve. Kept at 84 because benchmark details and eval methods are not disclosed.

OpenAI News

GPT-5.5 Bio Bug Bounty

OpenAI launched the GPT-5.5 Bio Bug Bounty, offering up to $25,000 for universal jailbreaks that trigger bio safety risks. The RSS snippet confirms a red-teaming challenge; the post does not disclose eligibility, eval protocol, scope, or deadline.

Why it matters: OpenAI’s GPT-5.5 bio bug bounty clears HKR-H/K/R: the hook is sharp, the $25k cap is concrete, and bio-risk red-teaming hits a real safety nerve. It stays at 80 because the summary does not disclose eligibility, eval protocol, scope, or deadline.