Gemini 4 Argon debuts with 1-million-token context window

Google's newest frontier model, released on September 30, features advanced reasoning capabilities and an industry-leading 1M-token output limit. Built for complex cybersecurity defense tasks, it's initially rolling out through Google's Fairwind Program for trusted security experts.

Sep 30, 2026 · Featured

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Latest Releases

GPT-6.1

OpenAI

GPT-6.1 Sol arrives as upgraded developer-day release

Sep 29, 2026

Closed SourceLLM

OpenAI's latest model variant improves on GPT-6 Sol with enhanced reasoning and coding capabilities, announced at its September 2026 Developer Day.

Sonnet

Anthropic

Claude Sonnet 5.5 balances performance and cost

Sep 28, 2026

Closed SourceLLM

Anthropic's new mid-tier model offers near-Opus performance at a fraction of the cost, targeting everyday professional workloads and agentic tasks.

Live

Google

Gemini 3.8 Live brings real-time voice conversations

Sep 16, 2026

Closed SourceAudio

Two new voice models: Gemini 3.8 Live for everyday conversation and Extended Thinking for multi-step reasoning without lag. Plus 2,000+ voice TTS options.

Opus

Anthropic

Claude Opus 5.5 targets long-running agent workflows

Sep 22, 2026

Closed SourceLLM

Built for complex agentic tasks, Opus 5.5 matches Fable 5.1 performance at 60% lower cost with faster response times for coding and knowledge work.

Luna

OpenAI

GPT-6 Luna sets new API price floor at $0.10 per million tokens

Sep 22, 2026

Closed SourceLLM

OpenAI's lowest-cost GPT-6 model halves pricing versus GPT-5.6, making frontier AI accessible for high-volume, fast-response use cases.

Grok

xAI

Grok 4.7 launches with 500K context window

Sep 21, 2026

Closed SourceLLM

Elon Musk's AI company releases Grok 4.7 for coding and knowledge work at the same token prices as Grok 4.6, available via API and major IDE integrations.