MoonshotAI: Kimi K3

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI.

Context
1.0M
Max output
944K
Input price
$0.24/1M tokens
Output price
$11.94/1M tokens

Capabilities

vision
tool call
structured output
reasoning
json mode
streaming
fine tuning
batch

Details

Model IDmoonshotai/kimi-k3
Provider OpenRouter
Creator moonshotai
Familykimi-k3
License—
Parameters—
Status—
Input modalitiestext, image, video
Output modalitiestext
Architecture—
Knowledge cutoff—
Training data cutoff—
Release date
Deprecation date—
Typechat
Reasoning tokens—
Max input—
Open weight—
Sourceofficial
Last updated

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.24
↓21%$0.3
Output
$11.94
Cache write
—
Cache read
$0.21
Batch in
—
Batch out
—
Price history · $/1M input
$3
$0.239
Jul 17Oct 19
DateInputOutputCache readChange
Jul 17, 2026$3$15$0.3—
Sep 11, 202617bcfbf$2.34$11.7$0.261↓22%
Sep 12, 2026265df08$2.303$11.55$0.263↓2%
Sep 13, 2026f844c98$2.648$13.283$0.303↑15%
Sep 17, 2026a6f5da0$3$15$0.3↑13%
Sep 18, 20262ae168f$2$11.2$0.232↓33%
Sep 19, 20263170597$1.875$10.5$0.218↓6%
Sep 20, 20267bc8de4$1.7$8.5$0.17↓9%
Sep 22, 2026f13f134$3$15$0.3↑76%
Sep 25, 202699b2555$0.885$10.535$0.33↓71%
Sep 26, 20269cb03f8$3$15$0.3↑239%
Oct 1, 20268c801e2$0.725$10$0.725↓76%
Oct 2, 20262b89bf1$2.7$13.5$0.27↑272%
Oct 4, 20268c3d4a3$0.72$13$0.7↓73%
Oct 5, 2026632cde3$0.67$14$0.22↓7%
Oct 6, 202600710a0$0.95$14$0.31↑42%
Oct 7, 2026b61df6a$0.62$15$0.43↓35%
Oct 8, 2026da0e420$0.6$15$0.4↓3%
Oct 9, 202670614e7$0.53$12$0.3↓12%
Oct 10, 2026c3d6504$0.64$13.5$0.28↑21%
Oct 11, 2026dcc4383$0.8$10$0.55↑25%
Oct 12, 2026ceebcb8$0.73$10$0.55↓9%
Oct 13, 202629d19af$0.73$13.5$0.55↑0.0%
Oct 14, 20260d5a9a1$0.7$15$0.32↓4%
Oct 15, 2026b92059e$0.45$15$0.28↓36%
Oct 16, 2026bcf2693$0.304$11.936$0.21↓32%
Oct 19, 202649ce653$0.239$11.936$0.21↓21%

Input is ↓92% since Jul 17, 2026, from $3 to $0.239 per 1M tokens.

Family Comparison: kimi-k3

ModelContextMax outPricing
MoonshotAI: Kimi K31.0M944K$0.24$11.94
MoonshotAI: Kimi K3 (batch)1.0M16K$2.28$11.4

API

GET/v1/models/openrouter/moonshotai/kimi-k3

MoonshotAI: Kimi K3

moonshotai/kimi-k3

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI.

Changes · 29 entries
moonshotai/kimi-k3update49ce653Oct 19, 2026, 06:45 AM
pricinginput$0.304→$0.239
moonshotai/kimi-k3updatebcf2693Oct 16, 2026, 06:36 AM
pricinginput$0.45→$0.304output$15→$11.936cached input$0.28→$0.21
moonshotai/kimi-k3updateb92059eOct 15, 2026, 06:37 AM
pricinginput$0.7→$0.45cached input$0.32→$0.28
moonshotai/kimi-k3update0d5a9a1Oct 14, 2026, 06:38 AM
pricinginput$0.73→$0.7output$13.5→$15cached input$0.55→$0.32
moonshotai/kimi-k3update29d19afOct 13, 2026, 06:43 AM
pricingoutput$10→$13.5
moonshotai/kimi-k3updateceebcb8Oct 12, 2026, 06:56 AM
pricinginput$0.8→$0.73
moonshotai/kimi-k3updatedcc4383Oct 11, 2026, 06:38 AM
pricinginput$0.64→$0.8output$13.5→$10cached input$0.28→$0.55
moonshotai/kimi-k3updatec3d6504Oct 10, 2026, 06:38 AM
pricinginput$0.53→$0.64output$12→$13.5cached input$0.3→$0.28
moonshotai/kimi-k3update70614e7Oct 9, 2026, 06:39 AM
pricinginput$0.6→$0.53output$15→$12cached input$0.4→$0.3
moonshotai/kimi-k3updateda0e420Oct 8, 2026, 06:41 AM
pricinginput$0.62→$0.6cached input$0.43→$0.4
moonshotai/kimi-k3updateb61df6aOct 7, 2026, 06:39 AM
pricinginput$0.95→$0.62output$14→$15cached input$0.31→$0.43
moonshotai/kimi-k3update00710a0Oct 6, 2026, 06:38 AM
pricinginput$0.67→$0.95cached input$0.22→$0.31
moonshotai/kimi-k3update632cde3Oct 5, 2026, 06:54 AM
pricinginput$0.72→$0.67output$13→$14cached input$0.7→$0.22
moonshotai/kimi-k3update8c3d4a3Oct 4, 2026, 08:18 AM
pricinginput$2.7→$0.72output$13.5→$13cached input$0.27→$0.7
moonshotai/kimi-k3update2b89bf1Oct 2, 2026, 06:39 AM
pricinginput$0.725→$2.7output$10→$13.5cached input$0.725→$0.27
moonshotai/kimi-k3update8c801e2Oct 1, 2026, 06:40 AM
pricinginput$3→$0.725output$15→$10cached input$0.3→$0.725
moonshotai/kimi-k3update9cb03f8Sep 26, 2026, 06:38 AM
pricinginput$0.885→$3output$10.535→$15cached input$0.33→$0.3
moonshotai/kimi-k3update99b2555Sep 25, 2026, 06:38 AM
pricinginput$3→$0.885output$15→$10.535cached input$0.3→$0.33
moonshotai/kimi-k3updatef13f134Sep 22, 2026, 06:39 AM
pricinginput$1.7→$3output$8.5→$15cached input$0.17→$0.3
moonshotai/kimi-k3update7bc8de4Sep 20, 2026, 06:33 AM
pricinginput$1.875→$1.7output$10.5→$8.5cached input$0.218→$0.17
moonshotai/kimi-k3update3170597Sep 19, 2026, 06:34 AM
pricinginput$2→$1.875output$11.2→$10.5cached input$0.232→$0.218
moonshotai/kimi-k3update2ae168fSep 18, 2026, 06:37 AM
pricinginput$3→$2output$15→$11.2cached input$0.3→$0.232
moonshotai/kimi-k3updatea6f5da0Sep 17, 2026, 06:39 AM
pricinginput$2.648→$3output$13.283→$15cached input$0.303→$0.3
moonshotai/kimi-k3updatef844c98Sep 13, 2026, 06:38 AM
pricinginput$2.303→$2.648output$11.55→$13.283cached input$0.263→$0.303
moonshotai/kimi-k3update265df08Sep 12, 2026, 06:33 AM
pricinginput$2.34→$2.303output$11.7→$11.55cached input$0.261→$0.263
moonshotai/kimi-k3update17bcfbfSep 11, 2026, 06:36 AM
pricinginput$3→$2.34output$15→$11.7cached input$0.3→$0.261
moonshotai/kimi-k3updatee3d7dedAug 31, 2026, 04:13 AM
max_output_tokens943718
moonshotai/kimi-k3update3cddff5Aug 13, 2026, 02:54 AM
modalitiesinput["text","image"]→["text","image","video"]
moonshotai/kimi-k3create20c73acJul 17, 2026, 02:34 AM