LIVE
BODYBUILDER$-1000000.00 5.4%
GLM-4-LONG$0.00 14.1%
GEMINI-2.0-FLA$0.30 20.0%
GEMINI-2.0-FLA$0.40 6.6%
-CF$0.00 9.7%
DEEPSEEK-V4-FL$0.28 26.3%
LLAMA-4-MAVERI$0.60 11.9%
GROK-4-FAST$0.50 6.0%
QWEN-PLUS$0.78 0.6%
MINIMAX-M2.1$0.95 2.6%
MINIMAX-M2$1.00 2.9%
MINIMAX-01$1.10 8.0%
GPT-4.1-MINI$1.60 13.7%
GROK-4-1-FAST-$0.50 8.9%
GPT-4.1-MINI-2$1.60 31.8%
XAI$0.00 4.5%
MINIMAX-M2.7$0.00 9.9%
QWEN3.5-FLASH-$0.26 31.0%
GPT-4.1-NANO$0.40 13.0%
GEMINI-2.5-FLA$0.40 0.8%
DEEPSEEK-AI$0.00 27.0%
GROK-4.1-FAST$0.50 16.4%
MINIMAX-M3$1.20 6.1%
GOOGLE$1.50 3.4%
AUTO$0.00 9.7%
GOOGLE$0.00 27.8%
MINIMAX-M2.7$1.20 7.2%
GOOGLE$0.00 0.6%
BODYBUILDER$-1000000.00 5.4%
GLM-4-LONG$0.00 14.1%
GEMINI-2.0-FLA$0.30 20.0%
GEMINI-2.0-FLA$0.40 6.6%
-CF$0.00 9.7%
DEEPSEEK-V4-FL$0.28 26.3%
LLAMA-4-MAVERI$0.60 11.9%
GROK-4-FAST$0.50 6.0%
QWEN-PLUS$0.78 0.6%
MINIMAX-M2.1$0.95 2.6%
MINIMAX-M2$1.00 2.9%
MINIMAX-01$1.10 8.0%
GPT-4.1-MINI$1.60 13.7%
GROK-4-1-FAST-$0.50 8.9%
GPT-4.1-MINI-2$1.60 31.8%
XAI$0.00 4.5%
MINIMAX-M2.7$0.00 9.9%
QWEN3.5-FLASH-$0.26 31.0%
GPT-4.1-NANO$0.40 13.0%
GEMINI-2.5-FLA$0.40 0.8%
DEEPSEEK-AI$0.00 27.0%
GROK-4.1-FAST$0.50 16.4%
MINIMAX-M3$1.20 6.1%
GOOGLE$1.50 3.4%
AUTO$0.00 9.7%
GOOGLE$0.00 27.8%
MINIMAX-M2.7$1.20 7.2%
GOOGLE$0.00 0.6%
USText-CF Live · updated daily

@cf/black-forest-labs/flux-2-klein-4b

Cloudflare Workers AI
Efficiency score
88/100
2.5%
Input price
$0.00/ 1M tokens
Output price
$0.00/ 1M tokens
Context window
1K
Throughput
148tok/s
Availability
99.1%
Cost / task
$0.000

Capabilities

Accepts (input)
Text
Produces (output)
Vision

7-day heat trend

2.5%

Pricing breakdown

Input price
$0.00/ 1M tokens
$0.0000 / 1K
Output price
$0.00/ 1M tokens
$0.0000 / 1K
Blended price
$0.00/ 1M tokens
$0.0000 / 1K

Typical 3:1 output-to-input mix, per 1M tokens

Estimated monthly cost by workload

Chat assistant
$0.00/ mo
1K in · 400 out · 10K req/day
RAG / long context
$0.00/ mo
8K in · 600 out · 5K req/day
Agent / tool use
$0.00/ mo
3K in · 1.5K out · 8K req/day
Estimate your cost

Market position

  • Cheaper than 43% of tracked models
  • Faster than 51% of tracked models
  • Efficiency rank: #817 of 1105

Best suited for

General-purpose text generation, chat, summarization and content workloads where broad capability and low cost matter most.

About @cf/black-forest-labs/flux-2-klein-4b

Cloudflare Workers AI edge image-generation route for FLUX.2 Klein 4B.

@cf/black-forest-labs/flux-2-klein-4b is a Text model from Cloudflare Workers AI (US). HotON.ai tracks it at $0.00 per 1M input tokens and $0.00 per 1M output tokens, with a 1K-token context window, ~148 tokens/sec throughput and 99.1% availability. Its composite efficiency score is 88/100 at an estimated $0.000 per successful task.

Frequently asked questions

How much does @cf/black-forest-labs/flux-2-klein-4b cost per 1M tokens?+

@cf/black-forest-labs/flux-2-klein-4b is tracked at $0.00 per 1M input tokens and $0.00 per 1M output tokens. A typical 3:1 output-to-input workload blends to roughly $0.00 per 1M tokens. Figures are illustrative demo data.

What is @cf/black-forest-labs/flux-2-klein-4b best for?+

General-purpose text generation, chat, summarization and content workloads where broad capability and low cost matter most.

How fast is @cf/black-forest-labs/flux-2-klein-4b?+

@cf/black-forest-labs/flux-2-klein-4b delivers about 148 tokens/sec with 99.1% tracked availability, suitable for latency-sensitive, real-time applications.

Is @cf/black-forest-labs/flux-2-klein-4b cheaper than other AI models?+

Within the HotON.ai tracked set, @cf/black-forest-labs/flux-2-klein-4b is cheaper than 43% of models on input price and ranks #817 of 1105 by overall efficiency.

Pricing is real (via the TestKey catalog, updated daily). Quality (Arena Elo) is real where the model is ranked on LMArena. Speed, availability and efficiency are modeled estimates.