Gramosoft Insights
Software, Apps & AI, Explained by Builders
Practical guides on mobile apps, web apps, AI, cloud, cyber security and automation from Gramosoft, a Chennai software company. Costs, choices and checklists.
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7 Free LLM APIs in 2026: Providers, Limits & What You Can Build
Seven free LLM APIs that still work in November 2026, from the Google Gemini API, Groq and OpenRouter to Cloudflare Workers AI, NVIDIA NIM, Z.ai GLM Flash and Cohere trial keys, with free limits taken from each provider's own docs, the APIs that stopped being free, what you can build on them and a fallback script for rate limits.
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Best Local LLMs in 2026: Open Models You Can Run on Your Own Servers
A practical guide to the open models you can run on your own servers in 2026: nine picks ranked, from Qwen3.6 and gpt-oss to Gemma 4, Devstral Small 2 and DeepSeek V4 Flash, with licenses, sizes and context limits checked on each model card, the GPU memory each needs, the tools to serve them, and when an API is still cheaper.
Best Embedding Models for RAG (2026): Qwen3, Voyage 4, BGE-M3, OpenAI and More
A practical guide to choosing an embedding model for RAG in 2026: ten models ranked, from Qwen3-Embedding and Voyage 4 to OpenAI text-embedding-3, Gemini Embedding 2, Cohere Embed 5 and BGE-M3, with prices, licenses and context limits checked at the source, what matters more than the model, and a script to test candidates on your own documents.
Best Vision OCR Models (2026)
OXR-1.0, TeleOCR, OvisOCR2, PaddleOCR-VL-1.6, MinerU2.5-Pro, GLM-OCR, Chandra OCR 2, olmOCR 2 and more, ranked by published benchmark score, with what each license allows, what each needs to run, and how to turn OCR output into checked fields for your business.
Best AI Agent Frameworks in 2026: LangGraph vs CrewAI vs OpenAI Agents SDK vs Google ADK
A practical comparison of LangGraph, CrewAI, the OpenAI Agents SDK and Google ADK: how each framework models an agent, what it does best, how it handles failures, approvals and tracing, what it really costs to run, and how to choose, with every version and price checked at the source.
ChatGPT vs Claude vs Gemini for Business (2026): Which AI Should Your Company Use?
A plain comparison of ChatGPT, Claude and Gemini for companies: what each plan costs this month, which team plans keep your data out of training, which assistant fits writing, research, spreadsheets, coding and meetings, and how to run a 30-day pilot before you buy seats.
10 Best Claude Code Alternatives in 2026 (Free and Paid)
Ten Claude Code alternatives compared on where they work, which models they run, what they cost this month and where each falls short: Cursor, OpenAI Codex, GitHub Copilot, Cline, OpenCode, Aider, Google Antigravity, Devin Desktop, Kiro and OpenHands, with every price checked on the vendor's own page.