Shortlist by what you need
Start here if you know why you are leaving AI/ML API.
Want the closest match?
CometAPIMost similar to AI/ML API in what it does, its category and its price.
Visit (opens CometAPI in a new tab)Need a free plan?
Gooey.AIHas a free plan, rated 4.0 out of 5. AI/ML API has none.
Visit (opens Gooey.AI in a new tab)Want to pay less than AI/ML API?
TokenMixFrom $1/mo, against from $20/mo for AI/ML API.
Visit (opens TokenMix in a new tab)Want the best rated?
OpenRouterRated 4.3 out of 5 in our review, against 4.1 for AI/ML API.
Visit (opens OpenRouter in a new tab)
At a glance
Green means better than AI/ML API, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
| 4.1 | $20/mo | No | Single OpenAI-compatible endpoint for calling GPT, Claude, Gemini, and 400-plus other AI models. | ||
| 3.8−0.3 | Not listed | No | CometAPI routes requests to 500+ AI models from OpenAI, Anthropic, Google, and other providers through a single API key priced below list rate. | vs AI/ML API | |
| 3.8−0.3 | $20/moSame price | No | 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. | vs AI/ML API | |
| 3.9−0.2 | $1/mo$19 less | No | Change one base URL and your OpenAI code reaches Claude, Gemini, DeepSeek and Qwen. | vs AI/ML API | |
| 4.3+0.2 | Not listed | No | One API key routes to 400+ models, with automatic failover if one goes down | vs AI/ML API | |
| 3.8−0.3 | $41/mo$21 more | No | Centralizes a team's AI model access, usage, and spending into one managed or bring-your-own-key workspace. | vs AI/ML API | |
| 4.0−0.1 | $25/mo$5 more | YesAI/ML API has none | Low-code workflow platform that chains open-source and private AI models behind one shared billing layer. | vs AI/ML API | |
| 3.9−0.2 | Free | YesAI/ML API has none | One API for 600-plus models, marked up 5%, with the markup stated on the page. | vs AI/ML API | |
| 3.9−0.2 | Not listed | No | A pay-per-token inference API runs frontier open-source LLMs at lower cost than most closed-model providers. | vs AI/ML API |
The alternatives in detail
In order of how closely each one matches AI/ML API.

CometAPI
3.8Not listed
vs AI/ML API−0.3
CometAPI routes requests to 500+ AI models from OpenAI, Anthropic, Google, and other providers through a single API key priced below list rate.
- Single API key for 500+ models across major AI providers
- Pay-as-you-go pricing around 20% below providers' list rates
- One-line model switching without re-authentication
Cuts the integration work of managing multiple provider SDKs and keys
Founded in January 2025, with a limited track record so far

SeedRouter
3.8$20/mo
vs AI/ML APISame price−0.3
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.
- 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
No monthly minimum or subscription
Prepaid balance model needs a top-up before any call

TokenMix
3.9$1/mo
vs AI/ML API$19 less−0.2
Change one base URL and your OpenAI code reaches Claude, Gemini, DeepSeek and Qwen.
- Single OpenAI-compatible endpoint across Claude, Gemini, DeepSeek and Qwen
- Works by changing only the base URL
- Prepaid wallet from $1 minimum top-up
A one-line base URL change, with no SDK rewrite
Per-model rates are not shown alongside the catalogue

OpenRouter
4.3Not listed
vs AI/ML API+0.2
One API key routes to 400+ models, with automatic failover if one goes down.
- Single API, OpenAI-SDK-compatible, reaching 400+ models across 70+ providers
- Automatic failover to another provider if one experiences an outage
- Custom data policies for organization-level governance across providers
Single integration reaches hundreds of models instead of many separate API keys
No permanent free tier, requires purchasing credits to start

Intrascope
3.8$41/mo
vs AI/ML API$21 more−0.3
Centralizes a team's AI model access, usage, and spending into one managed or bring-your-own-key workspace.
- Single shared workspace balance instead of per-employee AI subscriptions
- Bring-your-own-API-key or fully managed billing across major model providers
- Real-time dashboards for token usage and spend by model, user, and project
Can cut real AI subscription waste from idle or duplicate paid seats
No permanent free tier, only a short trial period

Gooey.AI
4.0$25/mo
vs AI/ML API$5 more−0.1Free plan
Low-code workflow platform that chains open-source and private AI models behind one shared billing layer.
- Reusable, forkable AI workflow "recipes" chaining multiple models
- Unified credit-based billing across open-source and proprietary models
- No-code and low-code workflow assembly for non-engineers
Removes the need to manage separate API keys and billing per model provider
Free tier is restricted to non-commercial use

Requesty
3.9Free
vs AI/ML API−0.2Free plan
One API for 600-plus models, marked up 5%, with the markup stated on the page.
- Routes across 30+ providers and 600+ models
- Automatic failover, load balancing and cost/latency-based routing
- Prompt caching claimed to cut token costs up to 90%
States its 5% markup plainly rather than burying it in a rate card
A single routing layer between your app and every model is a new dependency

Avian.io
3.9Not listed
vs AI/ML API−0.2
A pay-per-token inference API runs frontier open-source LLMs at lower cost than most closed-model providers.
- OpenAI-compatible API for open-source frontier models (DeepSeek, Kimi, GLM, MiniMax)
- Pay-per-token billing with no subscription or minimum monthly commitment
- Infrastructure hosting removes the need to self-manage GPU deployment for these models
OpenAI-compatible API means minimal code changes for teams already using that interface pattern
No free tier, every API call consumes paid credit from the first request
FAQ
Questions people ask
Is AI/ML API free?
AI/ML API does not list a free plan. Paid plans start from $20/mo.
What is the best free alternative to AI/ML API?
Gooey.AI is the highest-rated alternative here with a free plan (4.0 out of 5). Other free options: Requesty.
What is the cheapest alternative to AI/ML API?
Among paid plans, TokenMix has the lowest starting price (from $1/mo). If you need it free, start with Gooey.AI.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.
