Your models. One API. Clear prices.
Make more of
your API budget.
One API key. Exact model selection. Credits when ready.
Find a model that fits your task and budget. Compare published rates, keep your OpenAI-compatible API workflow, and pay from prepaid credits.
Estimate your request cost before adding credits. Rates and supported features vary by model.
GPT
ClaudeMODELS
Choose the model. Check the cost.
5 models are available now. More will appear when their identity, price, and availability are confirmed.
Prices are based on each provider’s published billing units.
Open a model page to see the current rate before making a request.
WHY NEWTON’S
Everything you need to move from idea to request.
MODEL CATALOG
Find the right model faster.
Browse exact published model IDs, modalities, and current rates before you write a request.
Explore models →REQUEST VISIBILITY
See what each request costs.
Use prepaid credits and review the model, usage, charge, and balance in Activity after each settled request.
See pricing →OPENAI-COMPATIBLE
Keep the workflow you already have.
Use one key and endpoint while choosing the published model that fits the next task.
Read the docs →FEATURED APPS
Build with models already in your flow
Builders use the same interfaces; Newton’s keeps the rail and usage boundaries.
Codex / ChatGPT
Test Newton’s experimental Responses route with a non-sensitive Codex task before changing a real workflow.
Claude Code
Use Newton’s Anthropic gateway after ANTHROPIC_BASE_URL + gateway credential verification.
SDK + tools
Keep your existing coding stack. Test each path with one request before switching flow.
Model clients
OpenAI-compatible endpoint + model IDs, then review usage in Activity.
HOW IT WORKS
Explore first. Pay when you are ready.
Create an account, inspect what is available, and add credits only when you decide to make a request.
- 1
Create an account
Open your workspace without choosing a plan or adding credits.
Open step → - 2
Open the console
See models, Activity, and account settings before you decide to add credits.
Open step → - 3
Get your API key
Keep your existing workflow. Use one OpenAI-compatible API key and endpoint.
Open step → - 4
Add credits
Add credits only when you are ready to make a request.
Open step → - 5
Make requests
Use the published model ID, then review tokens, spend, latency, and the exact model in Activity.
Open step →
RECENT BLOG POSTS
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A practical guide to separating useful AI guidance from generic claims.August 3, 2026
Why an AI Access Layer Should Complement Your Tools
Why a focused access layer can simplify overflow and multi-model work without forcing you to abandon the tools that already fit.KEEP BUILDING
START SMALL.
BUILD BIG.
Get API Key.
Explore before you pay.
Prepaid credits. No automatic overages. Every request appears in Activity.
Built for builders.
Backed by transparency.