10 min read
ChatGPT Free vs Go vs Plus After GPT-6: Which Model You Get
Free and Go ($8) both get GPT-6 Luna in Chat. Plus ($20) is the cheapest plan with GPT-6 Sol and full Codex. What each ChatGPT plan buys now.
GPT-6
11 articles
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GPT-6.1 Terra: $1/$5 Pricing, Benchmarks, and When to Pick It
GPT-6.1 Terra is OpenAI's new $1/$5 per million token model: 50.3% on Terminal-Bench 4.0 (vendor-reported), half Sol's price, and who should route to it.
•7 min read
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8 min read
OpenAI DevDay 2026 Recap: What Shipped and What to Test
Everything OpenAI announced at DevDay 2026: GPT-6.1 Sol at $2/$10, Ultrafast, Decisions API, Agents API, cloud Codex, and what to test first.
7 min read
GPT-6.1 Sol Release Guide: Near-Astra Agentic Work at $2/$10 and $0.10 Cache Reads
GPT-6.1 Sol release guide: near-Astra scores at a fifth of Astra's price, $0.10 cache reads, verified pricing, the Astra 6.1 safety hold, and how to run it.
8 min read
GPT-6 Astra Release Guide: Benchmarks, $10/$50 Pricing, and How to Run It in Codex and OpenCode
GPT-6 Astra release guide: OpenAI's max-capability model, its $10/$50 pricing and 1.05M context, what the benchmarks do and do not say, and commands to try it.
7 min read
GPT-6 in 7 Minutes: Astra, Sol, and Luna Explained for Developers
GPT-6 in 7 minutes: what Astra, Sol and Luna are, what each tier costs per million tokens, the new API features, and how to try each one in Codex and the API.
8 min read
OpenAI DevDay 2026: What to Expect - Confirmed, Reported, and Rumored
OpenAI DevDay 2026 runs September 29 at Fort Mason in San Francisco. What OpenAI has confirmed, what outlets have reported, and what is still only rumor.
7 min read
GPT-6 World Building: One HTML File to an Interactive Three.js World
GPT-6 drives Codex to build a walkable, single-file Three.js world with AI-generated wall assets. The verified toolchain and when this web-native 3D path wins.
8 min read
GPT-6 and Blender: Build a Playable 3D Game With Codex and AI Video
GPT-6 Astra and Codex script a playable Mars car game in Blender, then Higgsfield's plugin and Seedance turn the assets into trailers. The toolchain and setup.
9 min read
GPT-6 Sol vs Claude Opus 5.5 vs Grok 4.7: The September 2026 Price War
GPT-6 Sol vs Claude Opus 5.5 vs Grok 4.7 pricing: verified per-token rates, cost-per-task math and a decision guide for the September 2026 price war.
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8 min read
How GPT-6 Astra Builds a Real E-Commerce Site: Product Shots, Pages, and an AI Video Hero
GPT-6 Astra builds a yoga clothing store from one prompt, with generated product shots, product pages and an AI video hero via Codex and the Higgsfield CLI.
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