GPT Proto vs SeedRouter (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: GPT Proto does not list a price
Free plan
Tie
Neither has one
Higher rating
GPT Proto
4.0 against 3.8
Same job?
Yes
Both are AI Infrastructure & Agent Tooling tools

Side by side

Compared on	GPT Proto	SeedRouter
Our rating	4.0Better	3.8
Starts at	Not listed	$20/mo
Free plan	No	No
Category	AI Infrastructure & Agent Tooling	AI Infrastructure & Agent Tooling
Plans	See pricing	Prepaid balanceTop up from $20 (also $50, $100, $200, $300, $500, $1,000, $2,000)
Key features	200+ models behind one OpenAI-compatible API Smart routing to the lowest-cost available channel Multi-key budget control with per-key credit caps Text, image, video and editing models in one balance Per-model pricing published openly	Single API key across image, video, language and audio models OpenAI and Anthropic SDK compatibility for language models Prepaid USD balance with per-request billing Failed requests are not charged Per-model playground, parameters and docs
Pros	Per-key caps make a shared balance survivable for a team Publishes real per-model rates instead of a credit abstraction One integration across text, image and video vendors	No monthly minimum or subscription Failed requests cost nothing, per the pricing page Model prices are listed on each model page before integrating
Cons	An aggregator sits between you and each provider's terms and uptime Cheapest-channel routing obscures which channel served a request No company entity named	Prepaid balance model needs a top-up before any call Third-party routing adds a dependency between the app and the model provider Company details and uptime history are not published on the homepage
Company	GPT Proto	SeedRouter

Prices come from each vendor's pricing page, last checked 20260818. Check the vendor before you buy.

FAQ

Questions people ask

Is GPT Proto better than SeedRouter?

In our reviews GPT Proto scores 4.0 and SeedRouter scores 3.8. The better pick depends on the job. GPT Proto: 200+ models on one API key, with per-model rates published and cheapest-channel routing. SeedRouter: One API key for image, video, language and audio models with pay-per-request billing from a prepaid balance, and no charge for failed requests.

Which is cheaper, GPT Proto or SeedRouter?

GPT Proto: see pricing. SeedRouter: from $20/mo.

Do GPT Proto and SeedRouter have free plans?

Neither lists a free plan.

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