Arena.ai compared high-reasoning Text Arena outputs and says 10 of 12 writing measures moved in a better direction from Claude Opus 5 to Opus 5.5. Average answers grew from 453 to 481 words, while hedges such as “perhaps” rose 97%.
AI at Meta says raters preferred Muse Realtime Avatar overall after 2–3 minute live calls against two commercial avatar systems, comparing visual quality, sync, character consistency, and mannerisms.
LangChain said it tested Jev against GPT-5.6 Luna, GPT-5.6 Terra, and Claude Sonnet 4.6 as agent-eval judges, reporting a human-reviewer match on every call, up to 913x lower variance, 0.44s per call, and a $0.34 full-run cost versus $28.17 with Claude Sonnet 4.6.
LangChain says Jev-as-a-judge is now available in LangSmith. The company claims it can score every production trace, check more criteria per trace without rising cost, and catch safety or security issues fast enough to trigger an automated response.
Elvis (@omarsar0) said he used Jev to organize about 2.3K AI research papers for a total cost of $0.14 in about 83 seconds. He said Jev agreed with 75% of prior DeepSeek V4 Flash tags, found about 579 high-confidence topic changes, and that a 30-item manual check of disagreements was fully accepted before the changes were applied in production.
