Claude 4 API Free: 3 Methods for Unlimited Access in 2025

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Get Claude 4 API free through Puter.js (100% unlimited), LaoZhang.ai ($10 credits + 70% savings), or Claude.ai daily access. Complete implementation guide with code examples for Opus 4 and Sonnet 4 models. No credit card required.

GPT-5 API: Complete 2025 Guide – Release Date, Features & Implementation

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GPT-5 API launches August 2025 with 256K context, multi-agent AI, and PhD-level reasoning. Learn implementation strategies, cost optimization with 30-70% savings via laozhang.ai, and prepare your applications today with our comprehensive developer guide.

Image to Image Sora API: 2025 Complete Guide + Best Alternatives

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OpenAI’s Sora has no API yet. Discover the best image-to-image transformation alternatives like FLUX, Stable Diffusion, and DALL-E 3. Get 30-70% cost savings with unified API access through laozhang.ai. Complete implementation guide with code examples.