Tutorials and Guides2026-09-141928

Kimi K2.8 Preview Dev Guide: 1M Context and API

Explore Kimi K2.8 Preview: 1M context, near-K3 performance, lower costs, and 4sapi API routing for developers.

Kimi K2.8 PreviewKimi CodeK3 model1M contextAI coding API

Read more

Tutorials and Guides2026-09-146790

DeepSeek V4.1 Flash Beta: 420 Tokens/s and Multimodal

Inside DeepSeek V4.1 Flash beta: native multimodal architecture, 420 tokens/s speed, API pricing, and 4sapi integration.

DeepSeek V4.1 FlashAI benchmarknative multimodalLLM API4sapi

Read more

Tutorials and Guides2026-09-143921

V4.1 Flash vs GPT-5.6 vs Opus 5: 25x Price Gap Benchmark

Compare DeepSeek V4.1, GPT-5.6 Sol & Opus 5. Analyze agent coding benchmarks, the 25x API price gap, and routing.

DeepSeekOpenAIAnthropicAPI PricingAI Agents

Read more

Tutorials and Guides2026-09-114995

GPT-6 Astra Dev Guide: Agents API and Integration

Master GPT-6 Astra integration using Agents API. Explore benchmarks, token pricing, and the Pro plan suspension.

GPT-6 AstraAgents APIResponses APIOpenAI Codex4sapi

Read more

Tutorials and Guides2026-09-119039

Fable 5.1 Dev Guide: API, Batch Jobs and Quota Reset

Maximize Fable 5.1 for dev pipelines: automate batch APIs, navigate the 5-hour quota reset, and route via 4sapi.

Fable 5.1API integrationbatch processingAI automation4sapi

Read more

Tutorials and Guides2026-09-115895

Codex Git Worktree: Parallel Dev Guide

Master Codex Git Worktree for parallel dev. Learn branch isolation and secure handoff to speed up coding.

CodexGit WorktreeAI DevelopmentWorkflow4sapi

Read more