Shortlist by what you need
Start here if you know why you are leaving CometAPI.
Want the closest match?
AI/ML APIMost similar to CometAPI in what it does, its category and its price.
Visit (opens AI/ML API in a new tab)Need a free plan?
FlexAIHas a free plan, rated 4.0 out of 5. CometAPI has none.
Visit (opens FlexAI in a new tab)Want the lowest price?
TokenMixFrom $1/mo, the lowest starting price here.
Visit (opens TokenMix in a new tab)Want the best rated?
AI HUB by PicsartRated 4.1 out of 5 in our review, against 3.8 for CometAPI.
Visit (opens AI HUB by Picsart in a new tab)
At a glance
Green means better than CometAPI, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 CometAPIBaseline | 3.8 | 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. | |
| AI/ML API | 4.1+0.3 | $20/mo | No | Single OpenAI-compatible endpoint for calling GPT, Claude, Gemini, and 400-plus other AI models. | vs CometAPI |
 SeedRouter | 3.8Same | $20/mo | 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 CometAPI |
 Intrascope | 3.8Same | $41/mo | No | Centralizes a team's AI model access, usage, and spending into one managed or bring-your-own-key workspace. | vs CometAPI |
 Avian.io | 3.9+0.1 | Not listed | No | A pay-per-token inference API runs frontier open-source LLMs at lower cost than most closed-model providers. | vs CometAPI |
| TokenMix | 3.9+0.1 | $1/mo | No | Change one base URL and your OpenAI code reaches Claude, Gemini, DeepSeek and Qwen. | vs CometAPI |
 ToolSpend | 3.8Same | Not listed | No | One dashboard for AI spend across providers, with month-end forecasting. | vs CometAPI |
| AI HUB by Picsart | 4.1+0.3 | $47.5/mo | No | AI HUB gives developers one API to reach 100-plus generative image, video, and audio models from Picsart. | vs CometAPI |
| FlexAI | 4.0+0.2 | Free | YesCometAPI has none | Managed inference cloud with 20+ open models and an agent SDK | vs CometAPI |
The alternatives in detail
In order of how closely each one matches CometAPI.
AI/ML API
4.1$20/mo
vs CometAPI+0.3
Single OpenAI-compatible endpoint for calling GPT, Claude, Gemini, and 400-plus other AI models.
- Single endpoint for 400-plus AI models
- OpenAI SDK-compatible, no code rewrite needed to switch models
- Unified credit-based billing across all providers
One integration covers hundreds of models instead of numerous separate SDKs
No permanent free tier once starter tokens are used
SeedRouter
3.8$20/mo
vs CometAPISame
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
Intrascope
3.8$41/mo
vs CometAPISame
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
Avian.io
3.9Not listed
vs CometAPI+0.1
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
TokenMix
3.9$1/mo
vs CometAPI+0.1
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
ToolSpend
3.8Not listed
vs CometAPISame
One dashboard for AI spend across providers, with month-end forecasting.
- Spend across every AI provider in one dashboard
- Projected month-end cost, not just spend to date
- Anomaly alerts on unexpected spikes
Forecasts month-end while there is still time to act
No pricing published beyond the trial
AI HUB by Picsart
4.1$47.5/mo
vs CometAPI+0.3
AI HUB gives developers one API to reach 100-plus generative image, video, and audio models from Picsart.
- Single API endpoint for 100+ generative models
- Filterable catalog by provider and modality
- Side-by-side model comparison and version locking
Backed by Picsart's scale (150M+ monthly users) and 2021 SoftBank-led funding
No free tier; evaluation requires paying for credits from the start
FlexAI
4.0Free
vs CometAPI+0.2Free plan
Managed inference cloud with 20+ open models and an agent SDK.
- Managed inference across 20+ open models behind one API
- Agent SDK for building on top of the hosted models
- Private AI Factory deployments inside a customer boundary
One API across a wide set of open models
Region coverage and rate limits need checking for production traffic
FAQ
Questions people ask
Is CometAPI free?
CometAPI does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to CometAPI?
FlexAI is the highest-rated alternative here with a free plan (4.0 out of 5).
What is the cheapest alternative to CometAPI?
Among paid plans, TokenMix has the lowest starting price (from $1/mo). If you need it free, start with FlexAI.
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.