
Product & AI Finance
Mattia Vizzi
Mattia Vizzi writes about AI finance, responsible product building, and the tools that help builders move faster.
Articles by Mattia Vizzi
36 articlesSeptember 6, 2026 · 14 min read · Product
How to pay for Claude with the Claude Card by Payle
Learn how to pay for Claude Pro, Max, Code and the API with the Claude Card by Payle: 0% APR over 3 months, exclusive pricing, one card for every plan.
September 6, 2026 · 14 min read · Product
How to pay for ChatGPT with the ChatGPT Card by Payle
Learn how to pay for ChatGPT Plus, Pro, Team and the API with the ChatGPT Card by Payle: 0% APR over 3 months, exclusive pricing and one card for every plan.
September 6, 2026 · 14 min read · Product
How to pay for GitHub Copilot with the Copilot Card by Payle
Learn how to pay for GitHub Copilot Pro, Pro+, Business and Enterprise with the Copilot Card by Payle: 0% APR over 3 months and exclusive pricing on one card.
September 5, 2026 · 14 min read · Product
How to pay for Gemini with the Gemini Card by Payle
Pay for Google Gemini with the Gemini Card by Payle: 0% APR for 3 months, no fees, and about 25% below retail on approved annual plans.
September 5, 2026 · 14 min read · Product
How to pay for Cursor with the Cursor Card by Payle
Pay for Cursor Pro, Pro+, Ultra and Teams with the Cursor Card by Payle: 0% APR for 3 months, no fees, and about 25% below retail on approved annual plans.
September 5, 2026 · 14 min read · Product
How to pay for Codex with the Codex Card by Payle
Pay for OpenAI Codex Basic, Plus, Pro and the API with the Codex Card by Payle: 0% APR for 3 months, no fees, and about 25% below retail on approved annual plans.
September 5, 2026 · 14 min read · Product
How to pay for Mistral with the Mistral Card by Payle
Pay for Mistral with the Mistral Card by Payle: 0% APR over 3 months on approved spend, exclusive pricing on Small, Medium, Large and the API.
September 4, 2026 · 14 min read · Product
How to pay for Runway with the Runway Card by Payle
Pay for Runway with the Runway Card by Payle: 0% APR over 3 months on approved spend, exclusive pricing on Standard, Pro, Unlimited and Enterprise.
September 4, 2026 · 14 min read · Product
How to pay for ElevenLabs with the ElevenLabs Card by Payle
Pay for ElevenLabs with the ElevenLabs Card by Payle: 0% APR over 3 months on approved spend, exclusive pricing on Starter, Creator, Pro and the API.
September 4, 2026 · 14 min read · Product
How to pay for Perplexity with the Perplexity Card by Payle
Pay for Perplexity Pro, Max, Enterprise and the API with the Perplexity Card by Payle: 0% APR over 3 months, no fees, and exclusive savings on your plan.
September 4, 2026 · 14 min read · Product
How to pay for Replit with the Replit Card by Payle
Pay for Replit Core, Agent, Teams and Enterprise with the Replit Card by Payle: 0% APR over 3 months, no fees, and exclusive savings on your plan.
September 4, 2026 · 8 min read · Guides
AI pricing calculator: how much does ChatGPT, Claude and Cursor really cost?
Use our free AI pricing calculator to estimate the real monthly cost of ChatGPT, Claude, Gemini and 20+ AI tools, and see what you would pay with Payle.
September 3, 2026 · 14 min read · Product
How to pay for Midjourney with the Midjourney Card by Payle
Pay for Midjourney Basic, Standard, Pro and Mega with the Midjourney Card by Payle: 0% APR over 3 months, no fees, and exclusive savings on your plan.
September 3, 2026 · 14 min read · Product
How to pay for Grok with the Grok Card by Payle
Pay for Grok (Basic, Pro, Heavy and the API) with the Grok Card by Payle: 0% APR over 3 months, no fees, no credit card required.
September 3, 2026 · 14 min read · Product
How to pay for DeepSeek with the DeepSeek Card by Payle
Pay for DeepSeek (V3, R1, Coder and the API) with the DeepSeek Card by Payle: 0% APR over 3 months, no fees, no credit card required.
September 3, 2026 · 14 min read · Product
How to pay for Qwen with the Qwen Card by Payle
Pay for Qwen (Plus, Max, Turbo and the API) with the Qwen Card by Payle: 0% APR over 3 months, no fees, no credit card required.
September 3, 2026 · 9 min read · Guides
AI token calculator: GPT-4o, Claude and Gemini cost per 1M tokens in 2026
Price real input and output volumes across GPT-4o, Claude Sonnet 4, Gemini and 12 models with our free AI token cost calculator. Per request, per 100K and per month.
September 3, 2026 · 8 min read · Guides
AI prompt cost calculator: what a single ChatGPT, Claude or API prompt really costs
Price individual prompts and daily prompt runs across GPT-4o, Claude, Gemini and more with the free AI prompt cost calculator. From one query to 100,000 runs a day.
September 3, 2026 · 9 min read · Comparisons
AI tool comparison engine: ChatGPT vs Claude vs Cursor, decided side by side
Compare 2-3 AI tools side by side (price, Payle price, features, ideal use case) and get an honest winner with the free AI tool comparison engine.
September 2, 2026 · 14 min read · Product
How to pay for Manus with the Manus Card by Payle
Pay for Manus with the Manus Card from Payle: one card and one credit line for Manus, 0% APR over 3 monthly payments, no fees.
September 2, 2026 · 14 min read · Product
How to pay for HeyGen with the HeyGen Card by Payle
Pay for HeyGen with the HeyGen Card from Payle: one card and one credit line for HeyGen, 0% APR over 3 monthly payments, no fees.
September 2, 2026 · 14 min read · Product
How to pay for Kimi with the Kimi Card by Payle
Pay for Kimi with the Kimi Card from Payle: one card and one credit line for Kimi, 0% APR over 3 monthly payments, no fees.
September 2, 2026 · 14 min read · Product
How to pay for Lovable with the Lovable Card by Payle
Pay for Lovable Pro, Business and Enterprise with the Lovable Card by Payle. Get 0% APR over 3 months, no fees, and exclusive pricing below retail.
September 2, 2026 · 14 min read · Product
How to pay for Higgsfield with the Higgsfield Card by Payle
Pay for Higgsfield Basic, Pro and Ultimate with the Higgsfield Card by Payle. Get 0% APR over 3 months, no fees, and exclusive pricing below retail.
September 2, 2026 · 14 min read · Product
How to pay for Llama with the Llama Card by Payle
Pay for Llama Scout, Maverick and Behemoth with the Llama Card by Payle. Get 0% APR over 3 months, no fees, and exclusive pricing below retail.
September 2, 2026 · 9 min read · Comparisons
AI model benchmark comparator: GPT-4o vs Claude Sonnet vs Gemini on real scores
Compare frontier models (GPT-4o, Claude Sonnet 4, Gemini 2.5 Pro and more) on benchmarks, reasoning, coding and price per 1M tokens with the free comparator.
September 2, 2026 · 8 min read · Guides
AI savings calculator: how much could you save on your AI stack in 2026?
Find the savings hiding in your AI stack (annual billing, Payle exclusive pricing, duplicate plans) with the free AI savings calculator. See the annual number in minutes.
September 2, 2026 · 9 min read · AI Finance
AI ROI calculator: measure the return on your ChatGPT, Claude and tooling spend
Calculate the real ROI of your AI tools (hours saved, output value, time to payback) with the free AI ROI calculator, and defend the budget with numbers.
September 1, 2026 · 9 min read · Guides
AI usage simulator: forecast your token, seat and API spend before the invoice
Simulate real AI usage scenarios (seats, tokens per day, API workloads) and see monthly cost across models and plans with the free Payle AI usage simulator.
September 1, 2026 · 8 min read · Guides
AI deal finder: where to find ChatGPT, Claude and Cursor discounts in 2026
Find real AI deals and discounts (annual pricing, Payle exclusive rates, seasonal offers) for ChatGPT, Claude, Cursor and 20+ tools with the free AI deal finder.
August 31, 2026 · 9 min read · AI Finance
AI vs human cost calculator: when automation is cheaper than hiring
Compare the true monthly cost of an AI tool against an employee, contractor or agency for the same work (time, hourly rate, output volume) with the free AI vs human calculator.
August 31, 2026 · 9 min read · Guides
AI stack builder: design your ChatGPT, Claude and coding tool stack without overlap
Build an AI tool stack with no duplicates and no gaps (assistants, coding, image, video) priced instantly at retail and Payle rates with the free AI stack builder.
August 31, 2026 · 8 min read · Guides
AI cost tracker: keep every AI subscription and API bill under one budget
Track every ChatGPT, Claude, Cursor seat and API line against one budget with the free AI cost tracker. See the monthly total, the trend and the drift.
August 31, 2026 · 8 min read · Guides
AI subscription auditor: find the ChatGPT, Claude and coding plans you pay for but never use
Audit every AI subscription against real usage and find the tools you pay for but never open, with the free AI subscription auditor and its waste score.
August 30, 2026 · 9 min read · AI Finance
AI team budget planner: build a defensible AI budget for your whole team
Plan a full-year AI budget for your team (seats, usage, tools per role, growth) with the free AI team budget planner. Defend it with one clean number.
August 30, 2026 · 8 min read · Guides
AI skill creator: turn your best prompts into reusable, shareable skills
Write better with reusable AI skills: package your prompts, best practices and examples into one file with the free AI skill creator, and copy the markdown anywhere.