Zephyr 7B
Hugging Face · dense · 7B parameters · 32,768 context
Parameters
7B
Context Window
32K tokens
Architecture
Dense
Best GPU
A10G
Intelligence Brief
Zephyr 7B is a 7B parameter DENSE model from Hugging Face, featuring Grouped Query Attention (GQA) with 32 layers and 4,096 hidden dimensions. With a 32,768 token context window, it supports code, math. For self-hosted inference, A10G delivers optimal throughput at $285/month.
Architecture Details
Memory Requirements
BF16 Weights
14.0 GB
FP8 Weights
7.0 GB
INT4 Weights
3.5 GB
GPU Compatibility Matrix
Zephyr 7B is compatible with 95% of GPU configurations across 41 GPUs at 3 precision levels.
GPU Recommendations
BF16 · 1 GPU · vllm
100/100
score
Throughput
231.4 tok/s
Latency (ITL)
4.3ms
Est. TTFT
1ms
Cost/Month
$285
Cost/M Tokens
$0.47
BF16 · 1 GPU · vllm
100/100
score
Throughput
359.9 tok/s
Latency (ITL)
2.8ms
Est. TTFT
0ms
Cost/Month
$332
Cost/M Tokens
$0.35
BF16 · 1 GPU · vllm
100/100
score
Throughput
388.8 tok/s
Latency (ITL)
2.6ms
Est. TTFT
0ms
Cost/Month
$370
Cost/M Tokens
$0.36
Deployment Options
API Deployment
No API pricing available
Single GPU
A10G
$285/mo
Min VRAM: 7 GB
Multi-GPU
RTX 3080 x2
452.6 tok/s
TP· $266/mo
API Pricing Comparison
No API pricing data available for this model.
Performance Estimates
Throughput by GPU
VRAM Breakdown (A10G, BF16)
Precision Impact
bf16
14.0 GB
weights/GPU
~231.4 tok/s
fp8
7.0 GB
weights/GPU
int4
3.5 GB
weights/GPU
Capabilities
Features
Supported Frameworks
Supported Precisions
Where to Deploy Zephyr 7B
Self-Hosted Infrastructure
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Frequently Asked Questions
How much VRAM does Zephyr 7B need for inference?
Zephyr 7B requires approximately 14.0 GB of VRAM at BF16 precision, 7.0 GB at FP8, or 3.5 GB at INT4 quantization. Additional VRAM is needed for KV-cache (131072 bytes per token) and activations (~1.00 GB).
What is the best GPU for Zephyr 7B?
The top recommended GPU for Zephyr 7B is the A10G using BF16 precision. It achieves approximately 231.4 tokens/sec at an estimated cost of $285/month ($0.47/M tokens). Score: 100/100.
How much does Zephyr 7B inference cost?
Zephyr 7B inference costs vary by provider and GPU setup. Use our calculator for detailed cost estimates across all providers.