Kimi K3

Language Moonshot AI Partly verified Released Jul 2026
  • In Input modalities: TextImageVideo Out Output modalities: Text
  • Reasoning· low, high, max
  • Reasoning can be off
  • Tool use
  • Structured output
  • Open weights

Prices

10 offerings · prices as listed
Moonshot AI Platform (opens in a new tab) Official Global · USD kimi-k3
Conditions/ 1M tokensInputCache readCache writeOutput
5-minute cache1-hour cache
Standard $3.00$0.30$3.00$6.00$15.00

Prices from Moonshot AI platform pricing (opens in a new tab) (checked Nov 8, 2026)

Moonshot AI Platform (opens in a new tab) Official China · CNY kimi-k3
Conditions/ 1M tokensInputCache readCache writeOutput
5-minute cache1-hour cache
Standard ¥20.00¥2.00¥20.00¥40.00¥100.00

Prices from Kimi API 开放平台:模型推理价格 (opens in a new tab) (checked Nov 8, 2026)

Alibaba Cloud Model Studio (opens in a new tab) Official Available on this channel since Aug 7, 2026 Global · USD Input modalities: Text, ImageOutput modalities: TextTool use: YesStructured output: YesContext: 1.05MMax output: 1.05MReasoning: Yes kimi-k3
Conditions/ 1M tokensInputCache readOutput
Standard $2.827$0.283$14.133

Prices from Alibaba Cloud Model Studio pricing (opens in a new tab) (checked Nov 9, 2026) · Kimi K3 model (opens in a new tab) (checked Nov 9, 2026)

Alibaba Cloud Model Studio (opens in a new tab) Official Available on this channel since Aug 7, 2026 International · USD Input modalities: Text, ImageOutput modalities: TextTool use: YesStructured output: YesContext: 1.05MMax output: 1.05MReasoning: Yes kimi-k3
Conditions/ 1M tokensInputCache readOutput
Standard $3.00$0.30$15.00

Prices from Alibaba Cloud Model Studio pricing (opens in a new tab) (checked Nov 9, 2026) · Kimi K3 model (opens in a new tab) (checked Nov 9, 2026)

Alibaba Cloud Model Studio (opens in a new tab) Official Available on this channel since Jul 17, 2026 China · CNY kimi-k3
Conditions/ 1M tokensInputOutput
Standard ¥20.00¥100.00

Prices from 阿里云百炼:模型价格 (opens in a new tab) (checked Nov 9, 2026)

Alibaba Cloud Model Studio (opens in a new tab) Official Available on this channel since Jul 17, 2026 China · CNY kimi/kimi-k3
Conditions/ 1M tokensInputOutput
Standard ¥20.00¥100.00

Prices from 阿里云百炼:模型价格 (opens in a new tab) (checked Nov 9, 2026)

Alibaba Cloud Model Studio (opens in a new tab) Official Available on this channel since Aug 7, 2026 Germany (global scope) · US (global scope) · Japan (global scope) · USD Input modalities: Text, ImageOutput modalities: TextTool use: YesStructured output: YesContext: 1.05MMax output: 1.05MReasoning: Yes kimi-k3
Conditions/ 1M tokensInputOutput
Standard no longer listed since Oct 23, 2026 $2.827$14.133

Prices from Alibaba Cloud Model Studio pricing (opens in a new tab) (checked Nov 9, 2026)

Alibaba Cloud Model Studio (opens in a new tab) Official Available on this channel since Aug 7, 2026 US · USD Input modalities: Text, ImageOutput modalities: TextTool use: YesStructured output: YesContext: 1.05MMax output: 1.05MReasoning: Yes kimi-k3
Conditions/ 1M tokensInputOutput
Standard $3.00$15.00

Prices from Alibaba Cloud Model Studio pricing (opens in a new tab) (checked Nov 9, 2026)

Standard: the price a request with no conditions pays (the headline price elsewhere on the site).

Details

Licence
Kimi K3 License
Family
kimi-k
Model ID

Not stated on Moonshot AI’s pages: max input, max thinking budget, built-in tools, knowledge cutoff, aliases.

Run locally

Weights: moonshotai/Kimi-K3
  • Parameters 2.78T
  • Active not stated · 896 experts, 16 per token
  • Native precision BF16
  • Layers 93
  • KV cache per token 105 KB
  • Config positions 1024K (config.json max_position_embeddings)
  • API context 1024K (maker’s API)
My hardware GeForce RTX 4090 24 GB · 1008 GB/s · 64 GB DDR5 dual channel · 89.6 GB/s
On your hardware · GeForce RTX 4090
Doesn’t fit IQ4_XS (automatic) 8K context
WeightsKV cacheOverheadUsable
Needs
≈ 1445.0 GB (weights 1375.4 + KV cache 0.8 + overhead 68.8)
Usable
21.6 GB (90% of its memory)
Try
it’s too large for this hardware; see the smallest that runs it below
PrecisionWeightsNeeds at 8KOn your hardwareLongest context
BF16 (native)maker’s file1453.7 GB≈ 1527.2Doesn’t fit—
Q8_02750.8 GB≈ 2889.2Doesn’t fit—
FP82589.0 GB≈ 2719.3Doesn’t fit—
Q6_K2126.2 GB≈ 2233.4Doesn’t fit—
Q5_K_M1841.4 GB≈ 1934.3Doesn’t fit—
Q5_01779.9 GB≈ 1869.8Doesn’t fit—
Q4_K_M1572.8 GB≈ 1652.3Doesn’t fit—
Q4_01456.3 GB≈ 1530.0Doesn’t fit—
IQ4_XS1375.4 GB≈ 1445.0Doesn’t fit—
Q3_K_Mquality drops1265.4 GB≈ 1329.5Doesn’t fit—
IQ3_XXSquality drops990.3 GB≈ 1040.6Doesn’t fit—
Q2_Kquality drops970.9 GB≈ 1020.2Doesn’t fit—
IQ2_XXSquality drops666.7 GB≈ 700.8Doesn’t fit—

Click a row to choose a precision. “Maker’s file” sizes are the maker’s own files; others are parameters × bits per weight.

Compared with other hardware

Each at the highest precision it runs. Click one for details.

Smallest that runs it (Q4_K_M, 8K): no single listed machine; about 23 × 80 GB GPUs.

Run commands

The maker publishes no files at this precision. Choose its native precision or one of its own builds, or quantise it yourself with llama.cpp.

Memory to fine-tune
Full≈ 41429.0 GBDoesn’t fit your hardware
LoRA≈ 5184.1 GBDoesn’t fit your hardware
QLoRA≈ 1462.3 GBDoesn’t fit your hardware

Batch 1, 2,048-token sequences, gradient checkpointing; LoRA and QLoRA train rank-16 adapters on the attention projections.

Estimates; facts from the maker’s Hugging Face repositories, as of 2026-11-11. How it’s estimated

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 158.5

    #21 of 118 listed models · CI 156.5–160.6

  • LMArena Text 1,487

    #15 of 163 listed models · max effort · CI 1,483–1,492 · 40,409 votes

  • Epoch AI · Chess Puzzles 37%

    #38 of 85 listed models · high effort · ±4.85

    Also listed: max effort 36% · low effort 18%

  • Epoch AI · FrontierMath Tier 4 v2 39%

    #26 of 65 listed models · max effort · ±7.71

  • Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 28 – Nov 5, 2026
  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
  • EQ-Bench by Samuel J. Paech (eqbench.com; EQ-bench/EQ-bench-site on GitHub), MIT License. · License · as of Oct 24 – 28, 2026
  • LiveBench (White et al.), release 2026-06-25, livebench.ai, licensed CC BY-SA 4.0. This board, adapted from it, is shared under CC BY-SA 4.0. · License · as of Jun 25, 2026
  • changes we made

Provider-reported scores

Published by Moonshot AI, under the conditions it states
BenchmarkSettingScore
GPQA Diamondreasoning effort max93.5%
Humanity's Last Examfull set, no tools, reasoning effort max43.5%
full set, with general tools, reasoning effort max56%
Terminal-Bench 2.1Kimi Code harness, reasoning effort max88.3%
BrowseCompcontext compaction at 300K tokens, reasoning effort max91.2%
full 1M-token context, no context management, reasoning effort max90.4%
MCP-Atlas500-task public subset, 100-turn limit, Gemini 3.1 Pro judge, reasoning effort max84.2%
OSWorld-Verifiedreasoning effort max84.8%
MMMU-Prono tools, avg of 3 runs, reasoning effort max81.6%
with Python tool, avg of 3 runs, reasoning effort max83.4%

Included in coding plans

  • 5× the usage of the Lite plan
  • GitHub Copilot Pro $10.00 / month
    1,500 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    15 USD of usage per month
  • GitHub Copilot Pro+ $39.00 / month
    7,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    70 USD of usage per month
  • GitHub Copilot Max $100.00 / month
    20,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
  • GitHub Copilot Business $19.00 / month
    1,900 credits per month
  • 3,900 credits per month
  • For new members, the weekly quota limit is removed, and only the rolling 5-hour rate window remains.
    Both groups share the Kimi membership monthly total quota
  • For new members, the weekly quota limit is removed, and only the rolling 5-hour rate window remains.
    Both groups share the Kimi membership monthly total quota
  • For new members, the weekly quota limit is removed, and only the rolling 5-hour rate window remains.
    Both groups share the Kimi membership monthly total quota
  • Kiro Pro $20.00 / month
    1,000 credits per month
  • Kiro Pro+ $40.00 / month
    2,000 credits per month
  • Kiro Pro Max $100.00 / month
    5,000 credits per month
  • Kiro Power $200.00 / month
    10,000 credits per month

All coding plans →

  • Oct 31, 2026Capability Moonshot AI adds Kimi K3.1 Pro and K3 to Batch API Batch API now supports kimi-k3.1-pro and kimi-k3 on both the CN and Global platforms. Batch inference costs 60% of standard rates; these models also incur Cache Write fees, and cache hits are best-effort.
  1. Now priced on Alibaba Cloud Model Studio, China Input ¥20.00 · Output ¥100.00
  2. Now priced on Alibaba Cloud Model Studio, China Input ¥20.00 · Output ¥100.00
  3. 1 new price on Alibaba Cloud Model Studio, International Cache read $0.30
  4. 2 new prices on Moonshot AI Platform Cache write (5-minute cache) $3.00 · Cache write (1-hour cache) $6.00

Sources

Moonshot AI’s official policies: data use, privacy, terms →

Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data

Moonshot AI · China · moonshot.ai

Snapshots, the same family and other models from this provider