Free tools for LLM developers.

LLM cost calculator

Estimate your monthly Claude, GPT, Gemini, or DeepSeek bill — with prompt caching, workload presets, and a shareable URL for every calculation.

Benchmark comparison

Side-by-side benchmark scores for Claude Opus 4.8, GPT-5.5, Gemini 3.5 Flash, DeepSeek V4 Pro, and more across coding, agentic, reasoning, math, and long-context dimensions.

Cost-efficiency leaderboard

Weekly auto-updated ranking — frontier LLMs by intelligence-per-dollar. Best $/SWE-Bench, $/MCP-Atlas, $/HLE across Claude, GPT, Gemini, DeepSeek.

API reference + OpenAPI + Postman

Full Anvat gateway API reference with downloadable OpenAPI 3.1 spec and Postman v2.1 collection. Anthropic and OpenAI compatible endpoints, one base URL.

Try Opus 4.8 on your code

Bring-your-own-key in-browser demo. Paste any code, run it through Claude Opus 4.8 (the model that found the Zcash bug) for security audit, refactor, tests, or explanation.

Video walkthroughs

Step-by-step videos of real AI engineering workflows — security audits, agent setups, cost-optimization patterns. Every video ships with a full transcript.

Model catalog

Per-model pricing tables, benchmark summaries, strengths/weaknesses, and a working code sample for every frontier model in the Anvat catalog.

Gateway comparison

Honest side-by-side comparisons of Anvat against OpenRouter, LiteLLM, Portkey, Helicone, Cloudflare AI Gateway, Vercel AI Gateway, and direct Anthropic.

Use case guides

Setup guides for Claude Code, Cursor, coding agents, and RAG pipelines — exact env vars, code snippets, and integration patterns.