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Kimi K3 Flex

moonshotai·moonshotai/kimi-k3-flex·GA·Open weights·kimi-k3 series·NEW

Kimi K3 on the flex tier: discounted, best-effort latency, requests may be held under load

At a glance
Reference price$1.95 / $9.75 per 1M
Cache read $0.195 · Neuralwatt
Lowest paid$1.95 / $9.75
Neuralwatt Gateway
Context1,048,560
Output limit1,048,560
Capabilities
✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments
Modalities
TextImage
Knowledge cutoff—
Released / updated2026-07-16 / 2026-07-16

Quality & performance

Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.

Available at 1 providers1 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
NeuralwattGateway$1.95$9.75$0.195—1,048,5601,048,560

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Your usage cost

1Neuralwatt$666.90
The cheapest paid channel is the only channel.

Benchmark

No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.

Reasoning control

effort = noneeffort = loweffort = higheffort = maxbudget_tokens

Related models

Kimi K3 Fastsame series$4.50 / $22.50Kimi K3 TEEsame series$3.00 / $15.00Kimi K3same series$3.00 / $15.00GLM-5.2cheaper alternative$1.40 / $4.40DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28DeepSeek V4 Flash 0731cheaper alternative$0.445 / $1.34

Price historyone sample accumulated per data sync

Input list $1.95Output list $9.75Min blended $3.90

Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-28). Each future sync adds a point, and once accumulated a line is drawn here.

Data from models.dev (MIT) · Neuralwatt official docs ↗