Vicuna 33B
LMSYS · dense · 33B parameters · 2,048 context
Parameters
33B
Context Window
2K tokens
Architecture
Dense
Best GPU
H20
Intelligence Brief
Vicuna 33B is a 33B parameter DENSE model from LMSYS, featuring Multi-Head Attention (MHA) with 60 layers and 6,656 hidden dimensions. With a 2,048 token context window, it supports code. For self-hosted inference, H20 delivers optimal throughput at $940/month.
Architecture Details
Memory Requirements
BF16 Weights
66.0 GB
FP8 Weights
33.0 GB
INT4 Weights
16.5 GB
GPU Compatibility Matrix
Vicuna 33B is compatible with 57% of GPU configurations across 41 GPUs at 3 precision levels.
GPU Recommendations
FP8 · 1 GPU · tensorrt-llm
100/100
score
Throughput
1.0K tok/s
Latency (ITL)
1.0ms
Est. TTFT
0ms
Cost/Month
$940
Cost/M Tokens
$0.35
FP8 · 1 GPU · tensorrt-llm
95/100
score
Throughput
1.1K tok/s
Latency (ITL)
1.0ms
Est. TTFT
0ms
Cost/Month
$2553
Cost/M Tokens
$0.93
FP8 · 1 GPU · tensorrt-llm
95/100
score
Throughput
849.3 tok/s
Latency (ITL)
1.2ms
Est. TTFT
0ms
Cost/Month
$1794
Cost/M Tokens
$0.80
Deployment Options
API Deployment
No API pricing available
Single GPU
H20
$940/mo
Min VRAM: 33 GB
Multi-GPU
RTX A6000 x2
110.6 tok/s
TP· $930/mo
API Pricing Comparison
No API pricing data available for this model.
Performance Estimates
Throughput by GPU
VRAM Breakdown (H20, FP8)
Precision Impact
bf16
66.0 GB
weights/GPU
fp8
33.0 GB
weights/GPU
~1.0K tok/s
int4
16.5 GB
weights/GPU
Capabilities
Features
Supported Frameworks
Supported Precisions
Where to Deploy Vicuna 33B
Self-Hosted Infrastructure
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Frequently Asked Questions
How much VRAM does Vicuna 33B need for inference?
Vicuna 33B requires approximately 66.0 GB of VRAM at BF16 precision, 33.0 GB at FP8, or 16.5 GB at INT4 quantization. Additional VRAM is needed for KV-cache (1597440 bytes per token) and activations (~2.00 GB).
What is the best GPU for Vicuna 33B?
The top recommended GPU for Vicuna 33B is the H20 using FP8 precision. It achieves approximately 1.0K tokens/sec at an estimated cost of $940/month ($0.35/M tokens). Score: 100/100.
How much does Vicuna 33B inference cost?
Vicuna 33B inference costs vary by provider and GPU setup. Use our calculator for detailed cost estimates across all providers.