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InternLM

InternLM 2.5 20B

Shanghai AI Lab · dense · 19.9B parameters · 262,144 context

Quality
50.0

Architecture Details

TypeDENSE
Total Parameters19.9B
Active Parameters19.9B
Layers48
Hidden Dimension6,144
Attention Heads48
KV Heads8
Head Dimension128
Vocab Size92,544

Memory Requirements

BF16 Weights

39.8 GB

FP8 Weights

19.9 GB

INT4 Weights

9.9 GB

KV-Cache per Token196608 bytes
Activation Estimate1.50 GB

Fits on (single-node)

B200 SXM BF16B100 SXM BF16GB200 NVL72 (per GPU) BF16GB300 NVL72 (per GPU) BF16H200 SXM BF16H100 SXM BF16H100 PCIe BF16H100 NVL BF16

GPU Recommendations

H100 SXMoptimal

FP8 · 1 GPU · tensorrt-llm

100/100

score

Throughput

1.1K tok/s

Cost/Month

$1794

Cost/M Tokens

$0.65

Use this config →
H20optimal

FP8 · 1 GPU · tensorrt-llm

100/100

score

Throughput

1.1K tok/s

Cost/Month

$940

Cost/M Tokens

$0.34

Use this config →
H100 PCIeoptimal

FP8 · 1 GPU · tensorrt-llm

95/100

score

Throughput

840.8 tok/s

Cost/Month

$1794

Cost/M Tokens

$0.81

Use this config →

API Pricing Comparison

ProviderInput $/MOutput $/MBadges
internlm$0.50$0.50
Cheapest

Capabilities

Features

Tool Use Vision Code Math Reasoning Multilingual Structured Output

Supported Frameworks

vllmsglangtgi

Supported Precisions

BF16 (default)FP8INT4

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