Tev1

Tev1

Together AI
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About

OpenRouter is an AI model routing platform that gives developers access to hundreds of models through a single unified API. It connects users with models from providers such as OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, Qwen, xAI, and many others. The platform supports text, image, video, and audio generation while allowing developers to use one API key and a consistent interface across providers. OpenRouter can route requests based on price, performance, and availability, with fallback options that help maintain service when a provider experiences downtime. It also offers configurable data policies so organizations can control which providers receive prompts and how requests are handled. Developers can purchase credits, choose from more than 500 active models across over 80 providers, and integrate OpenRouter using an OpenAI-compatible API.

About

Tev1 is a fast decision and classification model built by Together AI and fine-tuned from Qwen3.5 4B. It is designed around a simple interface: provide a piece of state, a question, and 2 to 24 labeled options, and the model returns exactly one letter that software can map back to a semantic key. This structure supports production tasks such as routing support tickets, evaluating automated returns, applying policy rules, rating sentiment, categorizing documents, and inserting deterministic decision points into larger agent pipelines. The model has 4.7B parameters, a 32.8K-token context window, and runs with non-thinking generation for fast, predictable classification. It was trained on 37,840 examples spanning intent detection, boolean comprehension, sentiment, policy application, routing, news categories, and research-paper taxonomy. Recommended settings use temperature 0 and a very small output budget so responses remain stable and easy to parse.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI developers, software teams, startups, enterprises, and agent builders that want unified access to many AI models while optimizing cost, performance, reliability, and provider flexibility

Audience

Developers and AI engineering teams seeking to route, classify, score, and apply policy decisions through fast, deterministic structured outputs

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Pay-as-you-go (5.5%) and Enterprise plans available
Free Version Supported
Free Trial Supported

Pricing

$0.04 per 1M tokens
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Instead of getting married to ChatGPT or Claude and being locked into that relationship, OpenRouter is way more polyamorous. LMAO. And it's less messy than the real life relationship version. I can use different LLMs for different types of tasks and you learn quickly which LLMs excel in certain areas. In the beginning I did multichats where I'd ask 1 question to 2 or 3 bots at a time (their multichat features) and whoever gave the best answer was who I continued interacting with. I guess it's more like speed dating than polyamory. But the bottom line is, instead of spending $20-$30/mo with one system, I am spending a la carte, which is WAAAAYYYY cheaper, and using the right tool at any given moment. It just takes discipline to copy and paste your chats elsewhere. It does give you a copy markdown button to make it easier. And if you enable markdown in Google docs, there is a paste as markdown feature that makes it look like RTF when it's pasted in, with no codes. Because the chats are browser bound, they are stuck on one computer and everybody is on a bunch of different devices these days. So pasting into Google Docs is the best bet for portability all around. Privacy isn't an issue, because they aren't storing your chats! For some people, this is a big plus. To use the service, they charge you a 9 or 10% charge for however much money you put towards tokens. So if I refill for $10, the total is $10.90, with $10 of usable token for whichever LLM I feel like using. Keep in mind, there are free LLMs too which you can choose and never pay. When you add models, type 'free' in the search box and you'll see several free, from Maverick to Scout to Gemma, etc. It will make you feel like a serious power user and you'll feel smarter everytime you use it. It also has access to the secret parameters that the online LLMs don't show you, like Temperature, Top P, Frequency penalty, etc. It can save you money if you tell it ahead of time what type of vocab you like or how divergent you want the suggestions to be, vs. training ChatGPT or Gemini manually.

Cons

  • The chats aren't persistent - you must copy and save them elsewhere before you close a browser window, or all that info from that chat is gone.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

OpenRouter
Founded: 2023
United States
openrouter.ai/

Company Information

Together AI
Founded: 2022
United States
www.together.ai/models/tev1-4b-experimental

Alternatives

Alternatives

Clef-flash

Clef-flash

Cloudflare
Clef

Clef

Cloudflare
AgentKit

AgentKit

OpenAI
Jev

Jev

TypeSafe AI

Categories

AI Gateways Supported
AI Inference Supported
AI Tools Supported
LLM API Supported
LLM Routers Supported

Categories

AI Decision Models Supported

Integrations

AiAssistWorks Supported
ChatKit Supported
Codey Supported
Fluent Supported
GLM-4.1V Supported
GLM-4.5V Supported
GPT-5.2 Thinking Supported
GPT-5.6 Terra Supported
GPT-6 Sol Supported
Gemini 2.0 Supported
Gemini 3.1 Flash Image Supported
Grok 4.6 Supported
LiteLLM Supported
Microsoft-Decision-1 Supported
Ming-Flash Omni 2.0 Supported
Raptor Write Supported
Sakana Fugu Supported
ZGI Supported
bolt.diy Supported
omp Supported

Integrations

AiAssistWorks Not Supported
ChatKit Not Supported
Codey Not Supported
Fluent Not Supported
GLM-4.1V Not Supported
GLM-4.5V Not Supported
GPT-5.2 Thinking Not Supported
GPT-5.6 Terra Not Supported
GPT-6 Sol Not Supported
Gemini 2.0 Not Supported
Gemini 3.1 Flash Image Not Supported
Grok 4.6 Not Supported
LiteLLM Not Supported
Microsoft-Decision-1 Not Supported
Ming-Flash Omni 2.0 Not Supported
Raptor Write Not Supported
Sakana Fugu Not Supported
ZGI Not Supported
bolt.diy Not Supported
omp Not Supported
Claim OpenRouter and update features and information
Claim OpenRouter and update features and information
Claim Tev1 and update features and information
Claim Tev1 and update features and information