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Practical guides for choosing models, controlling inference costs, and putting faster agents into production.
Best Claude Model for Coding: A Task-by-Task Guide (2026)
There's no single best Claude model for coding. Route by task: Sonnet 5 by default, Opus 5 for hard agentic work, Haiku 4.5 for volume — with a copy-paste escalation policy.
Read guideBest Claude Code Alternatives (2026): Pick by Constraint
The best Claude Code alternative depends on why you're leaving. Pick by constraint - speed, cost, model freedom, open source, local - or just change the route.
Read guideClaude Usage Limits: Claude Code, Pro, Max, and Extra Usage
How Claude usage limits really work across Claude Code, Pro, and Max — the 5-hour and weekly reset windows, extra usage credits, and how to use less.
Read guideCodex Pricing: Plans, Credits, API Costs & Limits (2026)
Codex pricing explained: every ChatGPT plan, what credits cost in dollars, API token rates, and the cheapest route for your workload. Verified Aug 2026.
Read guideCodex Usage and Limits: How to Check, Reset, Use Less
Check your Codex usage across the CLI and dashboard, see how the five-hour and weekly limits work, learn why sessions drain unevenly, and stretch your plan.
Read guideCodex vs Claude Code: A Reproducible 2026 Benchmark
Codex vs Claude Code, benchmarked on the same repos and the same model. See the winner by workload, cost per successful task, and a downloadable rerun.
Read guideOpenCode vs Claude Code: A Same-Model Comparison
OpenCode vs Claude Code, tested fairly: we pin both harnesses to one model, count setup and cost per successful task, and pick a winner by user type.
Read guideWhy Is Claude Code So Slow? Diagnose and Fix the Bottleneck
Claude Code feeling slow? Split service vs local in two minutes, find where time goes, and fix the right layer — with a check, cause, and proof for each.
Read guideRun Claude Code on Fast Inference
Install the fast CLI, route Claude Code through a high-throughput open model, and preserve your original settings.
Read guideMake your first Fast Inference API request
Go from a new Fast Inference account to a verified chat completion with curl, TypeScript, or Python.
Read guideInference Economics: What are your options?
Understand per-token pricing, dedicated capacity, and the crossover point so you can choose the right inference economics for your product.
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