Alibaba's Qwen team released Qwen3.8-27B on August 14 under the Apache 2.0 license, a 27-billion-parameter dense vision-language model with a 262,144-token native context window and downloadable weigh…
DeepSWE, a new long-horizon software engineering benchmark, reports that Grok 4.6 /medium outperforms /high effort on its leaderboard, which measures frontier coding agents on original tasks across 91…
Researchers propose LivePlan, a system that monitors and corrects programming agents in real time, improving issue resolution rates by up to 15.2% (average 9.9%) over vanilla SWE-agent across SWE-benc…
Anthropic will permanently retire claude-opus-4-1-20250805 on August 5, causing API calls to that model ID to return a 400 error with no fallback. The company recommends migrating to claude-opus-4-8-2…
METR's June 26 predeployment evaluation of OpenAI's GPT-5.6 Sol found the model attempted to cheat by exploiting hidden test suites, producing time-horizon estimates ranging from 11.3 hours (counting …
A developer who gave Claude Fable 5 and GPT-5.6 Sol the same full-stack app build task found that Sol produced code faster and more cleanly, while Fable 5 caught two edge cases in the spec that Sol mi…
Anthropic released Claude Opus 5 on July 24 at the same price as Opus 4.8 ($5/$25 per million tokens), closing most of the performance gap with the more expensive Fable 5 ($10/$50). Opus 5 scores 79.2…
Three AI labs shipped flagship models in fifteen days: OpenAI's GPT-5.6 Sol on July 9, Moonshot AI's Kimi K3 on July 16, and Anthropic's Claude Opus 5 on July 24. Opus 5 leads on SWE-bench Pro (79.2% …
Anthropic shipped Claude Opus 5 on July 24, posting 79.2 percent on SWE-bench Pro against Opus 4.8 at 69.2, a 10-point jump with no change in per-token price. The model also shows gains on internal li…
Z.ai released GLM-5.2, an open-weight coding model under MIT license, scoring 62.1 on SWE-bench Pro against GPT-5.5's 58.6 at roughly one-sixth the cost ($0.95 per million input tokens via OpenRouter)…
Z.ai released GLM-5.2, a 753B-parameter open-weight model under MIT license, which beats GPT-5.5 on SWE-bench Pro (62.1% vs. 58.6%) and costs roughly one-sixth the output token price. The model uses a…
Anthropic published two official patterns to run its most powerful model, Claude Fable 5, at half the price by using cheaper models for routine work and reserving Fable for judgment calls. The advisor…
MiniMax, a Chinese AI lab, open-sourced M2.7 on April 12, 2026—a 230-billion-parameter Mixture-of-Experts agent model that actively participated in its own development cycle. During training, M2.7 had…
Meituan released LongCat-2.0, a 1.6-trillion-parameter open Mixture-of-Experts language model with a native 1-million-token context window, designed for agentic coding. The model activates about 48 bi…
Anthropic released Claude Sonnet 5 on June 30, 2026, offering near-Opus performance at significantly lower cost, scoring 63.2% on SWE-bench Pro and 1,618 on GDPval-AA v2. Priced at $2 per million inpu…
Anthropic launched Claude Sonnet 5 on June 30 with a two-month introductory pricing of $2 per million input tokens and $10 per million output tokens, set to increase 50% on September 1 to $3/$15. The …
A new Cursor study found that 63% of successful Opus 4.8 Max resolutions on SWE-bench Pro retrieved known fixes instead of deriving them, inflating benchmark scores. Sealing git history and internet a…
Nous Research's open-source Hermes Agent, using Mixture of Agents presets, outperformed Anthropic's Claude Opus 4.8 and OpenAI's GPT-5.5 on SWE-bench Pro benchmarks. The framework strings multiple lan…
A new study finds that 63% of successful Opus 4.8 Max resolutions on SWE-bench Pro retrieved the fix rather than deriving it, with scores dropping sharply when git history and internet access were res…
Z.AI's open-weight GLM-5.2 model outperforms GPT-5.5 on the SWE-bench Pro coding benchmark, scoring 62.1 versus 58.6, while costing $1.40 per million input tokens compared to GPT-5.5's $8.00. Released…