Journal

The TulexAI Blog

Insights on AI productivity, tool comparisons, prompt engineering, and building smarter workflows with multi-model AI.

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AI Models

What Is GPT-6 Astra? OpenAI's New Flagship, and How to Actually Get It

OpenAI's GPT-6 Astra ties Claude Fable 5.1 on the neutral scoreboard, but ChatGPT Plus only gets it in Work and Codex. What it is, every way to access it, what it costs, and the catches.

September 15, 20267 min read
AI Models

Can GPT-6 Astra Run Agents? What We Found Testing It Live

OpenAI launched GPT-6 Astra on computer use and browsing, but on Chat Completions it has no function calling. The two 400 errors we hit on September 8, 2026, and which models to use for agents instead.

September 15, 20266 min read
Comparison

GPT-6 Astra vs Claude Fable 5.1 vs GPT-5.6 Sol: A Tie at 53, and What Breaks It

GPT-6 Astra and Claude Fable 5.1 tie at 53 on the Artificial Analysis Intelligence Index v4.3, with GPT-5.6 Sol at 47. Three charts on cost per task, sub-scores and speed, plus which model to use for which job.

September 15, 20268 min read
AI Models

What Is GPT Image 2.5 Flare? What an Image Actually Costs, Measured

GPT Image 2.5 Flare is OpenAI's fast, high-quality everyday image model, released September 2026. OpenAI prices it per token, so we measured the tokens: what an image costs at low, medium and high quality, how Flare differs from Sunburst and GPT Image 2, and how to use it.

September 15, 20268 min read
Product Update

Kimi K2.6 and K2.7 Code Are Live on TulexAI - the Moonshot Family Is Complete

Two new Moonshot AI models land on TulexAI today: Kimi K2.6 at 2 PT and the agentic coder K2.7 Code at 4 PT, joining the K3 frontier reasoner. Every plan, honest prices, and when to pick each one over Claude or GPT.

July 25, 20268 min read
AI Models

What Is Kimi K3? Moonshot's Frontier-Class Reasoner, Explained

Moonshot AI's Kimi K3 scores within 3 points of Claude Fable 5 at a third of the cost - but it thinks before it talks. The verified numbers, the speed trade-off, and when to pick it.

July 25, 20268 min read
Comparison

Claude Fable 5 vs Kimi K3 vs GPT-5.6 Sol: The Real 2026 Frontier Showdown

Anthropic's leader, OpenAI's coding king, and Moonshot's $3/$15 disruptor - the verified Artificial Analysis numbers, the honest caveats, and which one to use for which job. All three live on TulexAI.

July 25, 202610 min read
Comparison

GPT-5.6 Has Landed: Sol vs Luna vs Terra - and How They Stack Up Against Claude and Grok

OpenAI just shipped three GPT-5.6 models - and all three are live on TulexAI. The verified benchmark numbers, the honest caveats, and which one you should actually use.

July 10, 202610 min read
Comparison

Grok 4.5 vs Claude Opus 4.8 vs GPT-5.5: Which Should You Use?

xAI's new flagship is here - and now live on TulexAI. The real benchmark numbers vs Claude Opus and GPT-5.5, the honest trade-offs, and who should pick which.

July 9, 20269 min read
Comparison

Claude Pro Price in 2026: Is $20 a Month Actually Worth It?

An honest founder's breakdown of exactly what Claude Pro's $20/mo buys, where its limits bite, who it's worth it for, and the consolidation alternative that keeps Claude and adds GPT-5, Gemini, image, video, and voice.

June 13, 20269 min read
Guide

How Much Do AI Tools Cost Per Month in 2026? (Real Prices for 15 Tools)

A reference price list of 15 named AI tools with real monthly costs for 2026 - what a realistic multi-tool stack adds up to, and how one $23 aggregator plan changes the math.

June 13, 20269 min read
AI Avatars

Best AI Avatar Generators in 2026: HeyGen vs Synthesia vs D-ID vs TulexAI

A practical comparison of the 6 leading AI avatar generators in 2026 - features, pricing, output quality and the best pick for each type of buyer.

May 28, 202611 min read
AI Avatars

How to Make an AI Avatar Video in Under 10 Minutes (2026 Tutorial)

A step-by-step tutorial for creating your first AI avatar video - from choosing an avatar and writing a script to rendering 1080p MP4 in 30+ languages.

May 28, 20269 min read
AI Avatars

AI Avatars for Marketing: 12 Real Use Cases That Cut Video Costs by 80%

Twelve battle-tested AI avatar use cases for marketers in 2026 - from personalised cold outreach to multilingual product demos, with real cost comparisons.

May 28, 202613 min read
Comparison

Best Midjourney Alternatives in 2026 - I Generated 500 Images to Find the Real Winners

I cancelled my Midjourney sub and spent a month testing 8 alternatives - Flux 2 Pro, DALL·E 3 / GPT Image 2, Imagen, Ideogram, Leonardo, Recraft, SDXL, and TulexAI. Real prompts, real outputs, real pricing.

May 28, 202613 min read
Comparison

Best ChatGPT Alternatives in 2026 - I Tested 8 So You Don't Have To

I cancelled ChatGPT Plus and spent 30 days testing 8 alternatives - Claude, Gemini, Poe, Perplexity, Mistral, DeepSeek, Grok, and TulexAI. Here's what actually replaced it.

May 22, 202611 min read
Comparison

ChatGPT Alternative for Coding - Which AI Actually Writes Better Code

I ran 30 coding tasks through GPT-5, Claude Opus 4.7, Gemini, and DeepSeek to find which writes the best production code. Real prompts, real results.

May 21, 20267 min read
Comparison

Free ChatGPT Alternatives - What's Actually Free vs Marketing Spin

Tested every "free ChatGPT alternative" on the market. Real limits, real catches, real workflows that work without paying a dollar - and where free tiers actually fall apart.

May 20, 20267 min read
Comparison

Claude vs ChatGPT vs Gemini - Side-by-Side With Real Prompts

I ran the same 12 prompts through Claude Opus 4.7, GPT-5.4, and Gemini 3.1 Pro in 2026. Side-by-side outputs, blind scoring, and which to use for each task.

May 19, 20268 min read
Guide

ChatGPT Plus Cancellation Guide + Where to Switch in 2026

Cancelling ChatGPT Plus? Step-by-step cancellation, what you lose, what survives, and the 5 alternatives that fit different reasons for leaving.

May 18, 20266 min read
Business

How Small Businesses Are Using AI to Compete With Giants in 2026

Real examples of small businesses using AI for marketing, customer support, content creation, and operations - without enterprise budgets.

May 9, 202610 min read
Tutorial

The Complete Prompt Engineering Guide for 2026

Master the art of AI prompting. Learn advanced techniques for text, image, and code generation that work across GPT-5, Claude, Gemini, and more.

May 7, 202615 min read
Comparison

Best AI Tools in 2026: A Comprehensive Comparison Guide

We compared 30+ AI tools across text, image, video, and voice to find the best options for creators, developers, and businesses in 2026.

May 5, 202612 min read
Comparison

Claude vs ChatGPT in 2026: Honest Comparison With Examples

An unbiased, hands-on comparison of Claude 4.6 and GPT-5 in 2026. We tested both on writing, coding, reasoning, and creativity - with real prompts and real outputs.

April 8, 202610 min read
Productivity

I Replaced 5 AI Subscriptions With One - Here's My Math

Spending over $100/month on separate AI tools? I broke down the real cost of juggling ChatGPT, Midjourney, Runway, and more - and found a simpler way.

April 1, 20268 min read

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