LLM Reference

Stable LM Zephyr 3B

Released
2023-04-20
Last refreshed
2026-05-19
Status
Researched 106d ago
Open weightsCommercial use: conditional

Stable LM Zephyr 3B 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 1 tracked provider route

Do not use it for

  • Vision or document-understanding workloads
  • Strict JSON or tool-calling flows
Specifications
Family
StableLM
Released
2023-04-20
Parameters
3B
Architecture
Decoder Only
Specialization
general
Openness
Open weights
License
Stability AI Community LicenseCommercial use: conditional
Weights
Unknown
Code
Unknown
Training
Fine-tuned
Created by
Stability AIStability AI

Open-source generative AI models.

London, United Kingdom
Founded 2020
Website
Pricing
Output / 1M
$0.100
Input / 1M
$0.100

Cheapest of 1 route · Fireworks AI

Providers(1)
Fireworks AI
View 1 provider route

About

Stable LM Zephyr 3B is Stability AI's StableLM model. It was released 2023-04-20.

Top use-case fit

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

Provider price ladder

Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
Fireworks AI$0.100$0.100
Provisioned

Available via routers & gateways(1)

OpenRouter

Hybrid

Unified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.

PassthroughFireworks AI

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.