Google announces Gemini 4 Argon, skipping the promised 3.5 Pro — and you still cannot use it
Google announced Gemini 4 Argon on September 30: 77.9% on DeepSWE above GPT-6 Astra, a 1M-token output limit, phased release, no API pricing yet.
Models
Published entries filed under “Models” in News, newest first by publication date on this site.
10 entries
OpenAI ships GPT-6.1 Sol: near-Astra performance at one-fifth the price
OpenAI shipped GPT-6.1 Sol at DevDay: near-Astra performance at one-fifth of Astra’s prices ($2/$10 per million tokens), live in ChatGPT Work and Codex.
Anthropic releases Claude Sonnet 5.5: 30% faster, beats Opus 5.5 on agentic coding
Anthropic released Sonnet 5.5 on September 28: $2/$10 per million tokens (half of Opus 5.5), 30% faster, and better agentic coding than Opus 5.5 in-house.
ElevenLabs ships v4 and v4 Turbo: 90+ languages, ~100ms Turbo latency
ElevenLabs released v4 and v4 Turbo on September 28: 90+ languages, 10-second voice cloning and ~100ms Turbo latency for voice agents, available now via API.
Pixel Canary ties GPT 6 Astra on Next.js coding evals — at 4× the runtime
Stealth model Pixel Canary went free on Vercel AI Gateway on September 25, tying GPT 6 Astra on Next.js coding evals — at nearly 17 minutes per task.
Naive AI open-sources Naive-N0.5-Flash, a 309B MoE model built with AI agents
Naive AI open-sourced Naive-N0.5-Flash: a 309B MoE with 15.5B active params, native 1M context and MIT license; its report says AI agents did most of the R&D.
Anonymous model Space Bunny tops OpenRouter and OpenCode daily usage rankings
Anonymous model Space Bunny Alpha quietly topped the OpenRouter and OpenCode daily call-volume rankings; its developer and official pricing remain unknown.
China’s 1.6T open-source model Nex-N2.5 tops BrowseComp, beating GLM-5.3 and DeepSeek-V4 on agent work
Shanghai Innovation Institute released the Nex-N2.5 family on September 9, 2026 — 35B, 397B and 1.6T models, all under Apache-2.0. On the official table the 1.6T Max tops BrowseComp at 92.6, ahead of Claude Opus 5 and GPT-5.6 Sol, and outscores GLM-5.3 and DeepSeek-V4-Pro on automation and tool-use benchmarks.
Anthropic releases Claude Opus 5.5: near Fable 5.1 on most tasks, with API prices cut 20%
Anthropic released Opus 5.5, the first Claude 5.5 model, on September 23. The company says it matches Fable 5.1 on most tasks and costs 40% less per typical task than Opus 5, at $4 input and $20 output per million tokens.
OpenAI releases GPT-6 Sol and Luna at roughly half the previous generation’s API price
On September 23, 2026, OpenAI released GPT-6 Sol and GPT-6 Luna, bringing Astra’s training approach to faster, cheaper tiers: Sol costs $2 input and $10 output per million tokens, Luna $0.10 and $0.50.