Vicuna 13B 16K
Vicuna 13B 16K is worth evaluating for classification and json / tool use when its provider route and context window match the workload.
Use it for
- Teams evaluating classification and json / tool use
- Workloads that can use a 16k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Vision or document-understanding workloads
- Family
- Vicuna
- Released
- 2023-10-23
- Context
- 16k
- Parameters
- 13B
- Architecture
- Decoder Only
- Knowledge cutoff
- 2022
- Specialization
- general
- Openness
- Open weights
- License
- Llama 2 CommunityCommercial use: conditional
- Weights
- Unknown
- Code
- Unknown
- Training
- Fine-tuned
Cheapest of 1 route · GCP Vertex AI
About
The Vicuna 13B v1.5 16K model by LMSYS is an advanced conversational AI built on the transformer architecture, fine-tuned from Llama 2. It features 13 billion parameters and handles up to 16,000 tokens in context, making it suitable for diverse tasks like chatbots and content generation. Trained on 125,000 conversations from ShareGPT, it excels in generating coherent text and engaging dialogue but may struggle with domain-specific knowledge and nuanced context. Despite potential biases, it represents a significant step forward in conversational AI.
Vicuna 13B 16K is an open-weight model in the Vicuna family. The structured metadata tracks a 16k-token context window and structured outputs. This page tracks provider routes through GCP Vertex AI. No headline benchmark score is tracked for Vicuna 13B 16K yet.
Top use-case fit
Classification
Included by capability and metadata signals in the decision map.
JSON / Tool use
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| GCP Vertex AI | - | - | ServerlessPartial |
Available via routers & gateways(13)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified 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.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.
Kong AI Gateway
GatewayMulti-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
Capabilities
Benchmark peer barsfor Classification
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
What is the context window of Vicuna 13B 16K?
Vicuna 13B 16K has a context window of 16k tokens.
When was Vicuna 13B 16K released?
Vicuna 13B 16K was released on 2023-10-23.
Which providers offer Vicuna 13B 16K?
Vicuna 13B 16K is available from 1 provider: GCP Vertex AI.
Cheapest of 1 route · GCP Vertex AI