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Developer guides, tutorials, and insights on AI tools, MCP servers, model pricing, and prompt engineering. Stay ahead with DevTk.AI.
Liang Wenfeng, DeepSeek, and the Original Intention Behind Inclusive AI
A reflective essay on Liang Wenfeng, DeepSeek, open source, long-termism, and why DeepSeek's 'inclusive era' matters beyond model benchmarks.
Gemini 3.5 Flash vs DeepSeek V4: API Price, Agents, and When to Use Each
Compare Gemini 3.5 Flash with DeepSeek V4 Flash and V4 Pro for 2026 API pricing, cached input, context windows, multimodal support, and agent routing.
AI Coding Agent Cost Comparison 2026: Codex, Claude Code, Cursor, DeepSeek & GPT-5.5
Compare AI coding agent costs in 2026 across Codex, Claude Code, Cursor-style IDEs, DeepSeek V4, Claude Sonnet 4.6, GPT-5.5, and GPT-5.2-Codex. Includes token-bill examples and model routing advice.
DeepSeek V4 Agent Setup: OpenCode, Codex, Copilot CLI, Cline, Kilo
Configure DeepSeek V4 Flash or V4 Pro in major coding agents. Covers OpenCode, Codex, GitHub Copilot CLI, Cline, Kilo Code, Roo Code, Deep Code, and OpenClaw.
How to Configure DeepSeek V4 in Claude Code
Step-by-step Claude Code setup for DeepSeek V4 Pro and V4 Flash using DeepSeek's Anthropic-compatible API. Includes environment variables, model choices, and cache-aware cost notes.
Xiaomi MiMo-V2.5 Agent Model Guide: Pricing, Models, Claude Code, OpenCode
Xiaomi MiMo-V2.5 and V2.5-Pro launched with 1M context, MIT-licensed weights, OpenAI/Anthropic-compatible APIs, Token Plan subscriptions, and direct support for Claude Code, OpenCode, Codex, Cline, Kilo, and Roo.
GPT-5.5 in Codex Pricing: API Costs, Model IDs, and DeepSeek Routing
Updated May 2026. GPT-5.5 is available in Codex and API at $5/$30 per 1M tokens with $0.50 cached input. Compare GPT-5.2-Codex, GPT-5.5 Pro, and DeepSeek V4 routing costs.
MCP vs A2A: The Two Protocols Shaping the AI Agent Ecosystem (2026)
A comprehensive comparison of Anthropic's Model Context Protocol (MCP) and Google's Agent-to-Agent Protocol (A2A). Learn when to use each, how they complement each other, and their impact on AI development.
AI Video API Pricing 2026: Seedance vs Sora vs Kling vs Veo
Compare AI video generation API costs — Seedance 2.0, Sora 2, Kling 3.0, Veo 3.1, Runway Gen-3. Per-second pricing, free tiers, resolution, and developer integration guide. Updated Feb 2026.
Gemini 3.1 Pro Pricing: $2.00/$12 per M — 1M Context, Video
Google Gemini 3.1 Pro costs $2.00 input / $12.00 output per 1M tokens. 77.1% ARC-AGI-2 score, native video understanding, 1M context window, free tier available. Pricing vs GPT-5, Claude Opus 4.6.
Claude vs GPT-5 for Coding: Benchmarks & Real Tests (2026)
Claude Opus 4.5 scores 72% SWE-bench vs GPT-5 at 69% — but costs 4x more ($5 vs $1.25/M input). Side-by-side code generation tests, debugging benchmarks, and the best model for each budget.
AI API Rate Limits 2026: OpenAI, Anthropic, Gemini RPM, TPM & 429 Fixes
Current AI API rate limits for OpenAI, Anthropic Claude, Gemini, DeepSeek, xAI, and Mistral. Compare RPM, TPM, usage tiers, free limits, and how to avoid 429 errors.
AI Structured JSON Output: Model Support & Code Examples (2026)
GPT-5 guarantees 100% schema adherence, Claude uses tool_use, Gemini has native response schemas. Compare JSON mode, function calling, and strict mode across all major models with Python & TypeScript examples.
Build Your First MCP Server: Step-by-Step TypeScript Tutorial (2026)
Complete guide to building a Model Context Protocol server in TypeScript. From zero to a working MCP server in 30 minutes. Includes tools, resources, prompts, and integration with Claude Desktop.
Google Gemini API Pricing 2026: Gemini 3.5 Flash, 3.1 Pro & 2.5 Models
Updated May 2026. Current Gemini API pricing for Gemini 3.5 Flash, 3.1 Pro, 3.1 Flash-Lite, 2.5 Pro, 2.5 Flash, caching, Batch/Flex, and DeepSeek V4 comparison.
Cut AI API Costs 80%: 8 Proven Strategies (2026)
Reduce LLM API spend with prompt caching (90% off), batch API (50% off), smart model routing, and 5 more strategies. Code examples for OpenAI, Claude, Gemini, DeepSeek. From $3,150/mo to $420.
Mistral API Pricing 2026: Small $0.20/M, Large $2/M + Free Tier
Mistral AI API pricing for 2026: Large 3 at $2/$6, Medium 3 $1/$3, Small 3.1 $0.20/$0.60 per 1M tokens. Free tier included, GDPR-compliant EU hosting. Comparison with GPT-5, Claude, DeepSeek.
Current OpenAI API Pricing 2026: GPT-5.5, GPT-5.4, GPT-4o & Codex Costs
Current OpenAI API pricing per 1M tokens for GPT-5.5, GPT-5.4, GPT-5.2-Codex, GPT-5, GPT-4o, and o3. Includes cached input, Batch/Flex discounts, long-context pricing, and monthly cost examples.
Grok API Pricing 2026: Grok 3 $3/M, Mini $0.30/M + $25 Free
xAI Grok API pricing for 2026: Grok 3 at $3/$15, Grok 3 Mini at $0.30/$0.50 per 1M tokens. Free $25 signup credit, 128K context. Side-by-side comparison with GPT-5, Claude, DeepSeek.
Self-Host LLM vs API: Real Cost Breakdown 2026
Self-hosting Llama 4 on a $2/hr GPU vs GPT-5 API at $1.25/M tokens — breakeven at ~6.8M tokens/month. We compare GPU rental, electricity, staffing, and 5 hidden costs most teams miss.
Current Anthropic Claude API Pricing 2026: Opus, Sonnet & Haiku Costs
Current Anthropic Claude API pricing per 1M tokens for Opus 4.6, Sonnet 4.6, and Haiku 4.5. Includes prompt caching, Batch API discounts, 1M context, and monthly cost examples.
Current DeepSeek API Pricing 2026: V4 Flash & Pro Cost per 1M Tokens
Current DeepSeek API pricing for 2026: V4 Flash and V4 Pro token costs, cache-hit pricing, free-credit notes, official model IDs, and coding-agent cost examples.
AGENTS.md: The Open Standard for Guiding AI Coding Agents (2026 Guide)
Learn how to write an AGENTS.md file that works with Claude Code, GitHub Copilot, Cursor, Devin, and more. Includes templates, examples, and practical best practices.
Best Free AI Tools for Developers in 2026: The Complete Guide
Discover the best free AI tools for developers in 2026. From code assistants to local LLM runners, find free tiers and deals that will supercharge your AI development workflow.
AI API Pricing Comparison (May 2026): 40+ Models Side-by-Side Table
Updated May 2026. Compare AI API prices in one table: GPT-5.5, Claude 4.6, Gemini 3.5 Flash, Gemini 3.1 Pro, DeepSeek V4 Flash, Xiaomi MiMo-V2.5, Grok, Mistral, and more.
The Complete Guide to AI Coding Rules: .cursorrules, CLAUDE.md & More
Master AI coding assistant configuration with .cursorrules, CLAUDE.md, .windsurfrules, and copilot-instructions.md. Learn how to customize AI behavior for your projects.
How to Choose the Right AI Model for Your Project in 2026
A practical decision framework for choosing between GPT-5, Claude Opus 4, Gemini 2.5 Pro, DeepSeek, and open-source models. Covers use case categories, cost vs quality tradeoffs, and a step-by-step decision tree for developers.
LLM Context Windows Explained: 4K to 1M Tokens (2026)
Gemini supports 1M tokens, GPT-5 handles 400K, Claude offers 200K — but how much can you actually use? Token limits, real-world capacity, and 5 strategies (RAG, chunking, sliding window) for long-context apps.
What is MCP? Complete Developer Guide to Model Context Protocol
Learn everything about MCP (Model Context Protocol) — what it is, how it works, how to set up MCP servers, and why it's transforming AI-powered development in 2026.