Alternatives

Products that do what SmartAIPI, openai frontier at a discount does

The newest openai frontier models at a fraction of the cost

1
GPT-5.5 by OpenAI▲477
OpenAI's smartest and most intuitive to use model yet
Apr 2026 · openai.com
2
Token Harbor▲85
The easiest way to access frontier AI models.
Aug 2026 · tokenharbor.ai
3
GPT‑5.4▲475
OpenAI's most efficient model: less tokens, more clarity
Mar 2026 · openai.com
4
OpenAI o3-mini▲510
Pushing the frontier of cost-effective reasoning
2025
5
Oxlo.ai▲388
Scale across AI models without scaling your bill
Jun 2026 · oxcode.ai
6
OpenAI Open Models▲480
gpt-oss-120b and gpt-oss-20b open-weight language models
2025
7OS
Open source alternative to ChatGPT and ChatPDF-like AI tools▲234
Hey everyone, We have been building SecureAI Tools -- an open-source application layer for ChatGPT and ChatPDF-like AI tools. It works with locally running LLMs as well as with OpenAI-compatible APIs. For local LLMs, it supports Ollama which supports all the gguf/ggml models. Currently, it has two features: Chat-with-LLM, and Chat-with-PDFs. It is optimized for self-hosting use cases and comes with basic user management features. Here are some quick demos: * Chat with documents using OpenAI's GPT3.5 model: https://www.youtube.com/watch?v=Br2D3G9O47s * Chat with documents…
2023 · github.com
8
Merlin Unified API▲310
One unified API for all AI models like Gemini, GPT-4, DALL-E
2023
9
Lemonfox.ai▲157
The fast, easy and cheap OpenAI alternative
2023
10
50 Ultra-Cheap AI APIs▲3
Cut your Claude and GPT API costs by up to 96%
Jul 2026 · cheap-ai-apis.carrd.co
11
OpenAI Frontier▲165
Operate AI coworkers on a single enterprise platform
Feb 2026 · openai.com
12
GPT-5▲127
OpenAI’s most advanced model
2025
13
SmarToken▲2
One API for Chinese frontier AI models
Jun 2026 · thesmartoken.com
14
Velokey▲4
Access AI models through one API and save 20–80% on costs.
Jul 2026 · velokey.ai
15
ModelHub API▲4
One API Key. 45+ AI Models. 43x Cheaper Than OpenAI.
Jun 2026
16
OneMux▲10
Low-cost, OpenAI-compatible API for multiple AI models
Jul 2026 · onemux.net
17
ApiLink▲4
One API for GPT, Claude, Gemini & every major AI model
May 2026 · apilink.io
18
CheapAI▲3
Drop-in AI API replacement — cheaper, same SDK
Jun 2026
19
UltraGPT▲6
Access all top AI providers — in one place with UltraGPT
Jan 2026 · ultragpt.pro
20
EasyToken▲3
Access leading Chinese AI models through one unified API
12d ago · easytoken.site
21
APIMart▲8
One API for All the Best AI Models – Try Affordable AI API
Nov 2025 · apimart.ai
22
Hicap▲14
One API for every model. Faster, cheaper inference.
Feb 2026 · hicap.ai
23
EndpointAI▲1
Access to open source models with unlimited AI API calls
Mar 2026 · endpointai.in
24
AkaRouter▲3
Pay per request. Not per token. 11 frontier models.
Jun 2026 · akarouter.dev

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