How I Manage Multiple AI APIs Without Going Broke

I’ve been heavily using different AI APIs for side projects and client work this year — mainly Azure OpenAI, Claude (via Bedrock), and Gemini (Vertex AI).
The biggest headache isn’t the models themselves, but finding stable, long-term sources with decent quotas and reasonable pricing. Official pricing is fine for testing, but once you scale, costs become painful and rate limits start hitting hard.
Currently my main usage is:- Azure GPT (East US 2) – still the most stable for me- Claude Opus (via AWS Bedrock)- Gemini series (Vertex AI)
Curious how others are handling this in 2026. Are you mostly sticking with official accounts, or do you also look for reliable third-party / upstream sources when volume gets high?
Also open to recommendations for stable providers (especially high-quota ones). Feel free to share your experience below 👇