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Developer guides, tutorials, and insights on AI tools, MCP servers, model pricing, and prompt engineering. Stay ahead with DevTk.AI.
Gemini 3.1 Pro Pricing: $1.25/M Input — ARC-AGI-2 77.1%, Native Video, 1M Context (2026)
February 2026 — Google Gemini 3.1 Pro costs $1.25 input / $10 output per 1M tokens. 77.1% ARC-AGI-2, native video understanding, 1M context window. Full pricing breakdown vs GPT-5, Claude Opus 4.6.
2026-02-26
GPT-5.3 Codex Pricing: $2/M Input — OpenAI's Agentic Coding Model (Feb 2026)
February 2026 — OpenAI GPT-5.3 Codex costs $2 input / $10 output per 1M tokens. Purpose-built for agentic coding, 25% faster than GPT-5.2, 200K context, 32K max output. Full pricing vs Claude, Gemini.
2026-02-26
Claude Opus 4.5 vs GPT-5 for Coding: Benchmarks, Pricing & Real Tests (2026)
February 2026 comparison — Claude Opus 4.5 vs GPT-5 for coding. SWE-bench scores, API pricing ($5 vs $1.25/M input), real-world code generation tests. Which is better for your development workflow?
2026-02-24
Google Gemini API Pricing 2026: Gemini 2.5 Pro at $1.25/M — Complete Guide
Full Google Gemini API pricing for 2026. Gemini 2.5 Pro at $1.25/$10, Flash at $0.15/$0.60 per 1M tokens. Free tier included. Compare with GPT-5, Claude, DeepSeek + monthly cost estimates.
2026-02-24
Grok API Pricing 2026: Grok 3 at $3/M, Mini at $0.30/M — Complete Guide
February 2026 updated — xAI Grok API pricing: Grok 3 at $3/$15, Grok 3 Mini at $0.30/$0.50 per 1M tokens. Free $25 credit, 128K context. Compare with GPT-5, Claude, DeepSeek.
2026-02-24
How to Cut AI API Costs by 80%: 8 Proven Strategies for 2026
February 2026 guide — reduce your LLM API spend with prompt caching (90% off), batch API (50% off), smart model routing, and 5 more strategies. Real examples with OpenAI, Claude, Gemini, DeepSeek.
2026-02-24
Mistral API Pricing 2026: Small 3.1 at $0.20/M, Large 3 at $2/M — Complete Guide
February 2026 updated — Mistral AI API pricing: Large 3 at $2/$6, Medium 3 at $1/$3, Small 3.1 at $0.20/$0.60 per 1M tokens. Europe's leading AI, free tier included. Compare with GPT-5, Claude, DeepSeek.
2026-02-24
OpenAI API Pricing 2026: GPT-5 at $1.25/M, GPT-4.1 at $2/M — Complete Guide
Full OpenAI API pricing for 2026. GPT-5 at $1.25/$10, GPT-4.1 at $2/$8, GPT-4o at $2.50/$10, o3 at $2/$8 per 1M tokens. Includes free tier options, batch API discounts, and cost comparison with Claude and DeepSeek.
2026-02-24
AI API Rate Limits 2026: OpenAI vs Claude vs Gemini vs Grok — Full Comparison
February 2026 comparison of AI API rate limits. Gemini offers 4M TPM, OpenAI 800K, Claude 80K, Grok 100K tokens per minute. Tier systems, free tiers, and how to maximize throughput.
2026-02-24
AI Structured Outputs Guide: JSON Mode, Function Calling & Schemas (2026)
February 2026 guide — get reliable JSON from GPT-5, Claude, and Gemini. Structured outputs, function calling, response schemas compared. Code examples in Python and TypeScript.
2026-02-24
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.
2026-02-24
Self-Hosting LLMs vs API: The Real Cost Breakdown (2026)
February 2026 analysis — self-hosting Llama 4 vs using GPT-5/Claude APIs. GPU costs, breakeven at ~6.8M tokens/month, hidden costs of self-hosting. Complete cost comparison with real numbers.
2026-02-24
Claude API Pricing 2026: Opus 4.5 vs Sonnet 4.5 vs Haiku — Complete Guide
February 2026 updated — Anthropic Claude API pricing: Opus 4.5 $5/$25, Sonnet 4.5 $3/$15, Haiku $1/$5 per 1M tokens. Prompt caching saves 90%. Full cost comparison with GPT-5 and DeepSeek.
2026-02-23
DeepSeek API Pricing 2026: V3.2 at $0.27/M — The Cheapest Capable AI Model
February 2026 updated — DeepSeek V3.2 at $0.27 input / $1.10 output per 1M tokens, 80% cheaper than GPT-5. Includes code examples, OpenAI migration guide, and monthly cost breakdown.
2026-02-23
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, best practices, and a free online generator.
2026-02-22
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.
2026-02-20
AI API Pricing 2026: GPT-5.3 Codex, Gemini 3.1, Claude 4.6 — Full Price Table (Feb 26 Update)
Feb 26 updated — GPT-5.3 Codex $2/M, Gemini 3.1 Pro $1.25/M, Claude Opus 4.6 $5/M, DeepSeek V3.2 $0.27/M. Complete pricing for 40+ AI models with monthly cost calculator.
2026-02-19
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.
2026-02-19
LLM Context Window Explained: What Developers Need to Know
A practical guide to LLM context windows for developers. Learn how context windows work, token limits for GPT-5, Claude Opus 4, Gemini 2.5 Pro, and DeepSeek V3, plus strategies for managing long contexts effectively.
2026-02-19
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.
2026-02-19
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.
2026-02-19