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

The AI Model Price Index

FLUX.2 Klein 4B

by Nvidia · family flux · listed Jan 2026VW

Image model for prompt-driven generation, editing, and visual design workflows

Current rates USD per 1M tokens

Inputfree
Outputfree
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
FLUX.2 Klein 4BFLUX.2 Klein 4B: free per 1M tokensfreeDeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Grok 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)
FLUX.2 Klein 4BFLUX.2 Klein 4B: free per 1M tokensfreeDeepSeek 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$3.00Mistral 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
black-forest-labs/flux_2-klein-4b
Context window
41K tokens
Max output
41K tokens
Input modalities
image, text
Output modalities
image
Reasoning
no
Tool calls
no
Open weights
yes
Knowledge cutoff
Jun 2025
Released
2026-01-14
Last updated
2026-01-31
Provider docs
docs.api.nvidia.com/nim/

Back of the envelope

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