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Kimi K3 (Free)

moonshotai·moonshotai/kimi-k3-free·GA·Open weights·kimi-k3 series·NEW
Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work

Specs & pricing

Input / output per 1M tokens
Reference price·ZenMux
$0 / $0
Blended $0 · Cache read $0
Lowest paid
No paid channels
1 more $0 channels
Context
1,048,576
Output limit
131,072
Knowledge cutoff
—
Released / updated
2026-07-16 / 2026-07-16
Capabilities
✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments
Modalities
TextImageVideo

Available at 1 providers0 with public prices · 1 free

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
ZenMuxGatewayFree$0—1,048,576131,072

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.

Reasoning control

Toggle (on / off)effort = max

Interleaved thinking (reasoning between tool calls) is declared by 1 of 1 providers.

Your usage cost

This model is $0 across all listed channels (ZenMux).

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$0.0001$02026-08-052026-08-132026-08-05 · Input list $02026-08-06 · Input list $02026-08-07 · Input list $02026-08-08 · Input list $02026-08-09 · Input list $02026-08-10 · Input list $02026-08-11 · Input list $02026-08-12 · Input list $02026-08-13 · Input list $02026-08-05 · Output list $02026-08-06 · Output list $02026-08-07 · Output list $02026-08-08 · Output list $02026-08-09 · Output list $02026-08-10 · Output list $02026-08-11 · Output list $02026-08-12 · Output list $02026-08-13 · Output list $0

Related models

Kimi Fast Latestsame series$4.50 / $22.50Kimi K3 Fastsame series$4.50 / $22.50Kimi K3same series$3.00 / $15.00
Data partly from models.dev (MIT) · ZenMux official docs ↗