Tuesday, July 7, 2026 · No. 345Prices synced 1 hour ago
All·AI·Model

The AI Model Price Index

Qwen3.5 397B Fast

by Neuralwatt · family qwen · listed Feb 2026TW

Efficient Qwen model for fast chat, extraction, and high-volume workloads

Current rates USD per 1M tokens

Input$0.69
Output$4.14
Cache read$0.172
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Qwen3.5 397B FastQwen3.5 397B Fast: $0.69 per 1M tokens$0.69Grok 4.3Grok 4.3: $1.25 per 1M tokens$1.25Gemini 3.5 FlashGemini 3.5 Flash: $1.50 per 1M tokens$1.50Mistral Medium (latest)Mistral Medium (latest): $1.50 per 1M tokens$1.50Claude Sonnet 5Claude Sonnet 5: $2.00 per 1M tokens$2.00GPT-5.5 ProGPT-5.5 Pro: $30.00 per 1M tokens$30.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.28 per 1M tokens$0.28Grok 4.3Grok 4.3: $2.50 per 1M tokens$2.50Qwen3.7 PlusQwen3.7 Plus: $3.00 per 1M tokens$3.00Qwen3.5 397B FastQwen3.5 397B Fast: $4.14 per 1M tokens$4.14Mistral Medium (latest)Mistral Medium (latest): $7.50 per 1M tokens$7.50Gemini 3.5 FlashGemini 3.5 Flash: $9.00 per 1M tokens$9.00Claude Sonnet 5Claude Sonnet 5: $10.00 per 1M tokens$10.00GPT-5.5 ProGPT-5.5 Pro: $180 per 1M tokens$180

On the record

Model id
qwen3.5-397b-fast
Context window
262K tokens
Max output
262K tokens
Input modalities
text
Output modalities
text
Reasoning
no
Tool calls
yes
Open weights
yes
Knowledge cutoff
—
Released
2026-02-01
Last updated
2026-02-01
Provider docs
portal.neuralwatt.com/docs

Back of the envelope

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