LLM Reference

Zephyr 7B Alpha

Released
2023-10-26
Last refreshed
2026-06-15
Status
Researched 198d ago
Open sourceCommercial use: permitted

Zephyr 7B Alpha is worth evaluating for general LLM work when its provider route and context window match the workload.

Use it for

  • Teams evaluating general LLM work
  • Buyers comparing 2 tracked provider routes

Do not use it for

  • Vision or document-understanding workloads
  • Strict JSON or tool-calling flows
Specifications
Family
Zephyr
Released
2023-10-26
Parameters
7B
Architecture
Decoder Only
Specialization
general
Openness
Open source
License
MITOSI-approvedCommercial use: permitted
Weights
Unknown
Code
Unknown
Training
Fine-tuned
Created by

Community-driven open-source AI model hub

New York City, New York, United States
Founded 2016
Website
Pricing
Output / 1M
$0.250
Input / 1M
$0.050

Cheapest of 2 routes · Replicate API

About

The Zephyr 7B Alpha is a 7-billion parameter language model fine-tuned from the Mistral-7B-v0.1 framework. It serves as an AI assistant, primarily optimizing its performance using Direct Preference Optimization. Although it excels in English text generation and conversational tasks, its training with a mix of public and synthetic datasets—like UltraChat and UltraFeedback—brings a higher risk of generating problematic content due to lesser alignment with human safety standards compared to models like ChatGPT. The model's architecture is GPT-like, offering several quantized versions such as GPTQ and GGUF, which trade-off model size for performance, but may affect accuracy. Its broader capabilities extend to multiple languages to a limited degree, and its performance varies by version and quantization method used.

Zephyr 7B Alpha is an open-source model in the Zephyr family. This page tracks provider routes through Baseten API and Replicate API, with the cheapest tracked route listed at $0.05 input and $0.25 output per 1M tokens. No headline benchmark score is tracked for Zephyr 7B Alpha yet.

Top use-case fit

No primary decision-task fit is mapped for this model yet.

Provider price ladder

Compare all 2

Compare API pricing across 2 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
Replicate API$0.050$0.250
Serverless
Baseten API--
ServerlessPartial

Capabilities

No model capability flags are currently sourced.

Benchmark peer barsfor Coding

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

How much does Zephyr 7B Alpha cost?

Zephyr 7B Alpha is available at $0.05/1M input tokens through Replicate API.

When was Zephyr 7B Alpha released?

Zephyr 7B Alpha was released on 2023-10-26.

Which providers offer Zephyr 7B Alpha?

Zephyr 7B Alpha is available from 2 providers: Baseten API, Replicate API.