Moonshot AI model product
Kimi K3
Kimi K3 is Moonshot AI's flagship open Mixture-of-Experts model for long-horizon coding, knowledge work, and reasoning.
Updated Aug 12, 2026. Default version: Kimi K3
LLMBoard score93.0Kimi K3
Coverage60%24 benchmark families
Context window1MTokens
Official input price$3Moonshot AI API
Kimi K3 Specifications
Technical details for the model's default version.
- Version
- Kimi K3
- Released
- Jul 16, 2026
- Knowledge cutoff
- Unknown
- Parameters
- 2.8T
- Context window
- 1M
- Max output
- 131.1K
- Inputs
- image, text, video
- Outputs
- text
- Open weights
- Yes
- License
- Kimi K3 License
Kimi K3 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Kimi K3 Benchmark Results
Benchmark scores for Kimi K3.
| AA-Briefcase | 1,548 points | 01 | 1 | 100.0% | B | |
| APEX-Agents | 37.6% | 01 | 7 | 100.0% | C | |
| AutomationBench | 30.8% | 01 | 8 | 100.0% | C | |
| BabyVision | 85.7% | 01 | 9 | 100.0% | C | |
| BrowseComp | 91.2% | 01 | 58 | 100.0% | C | |
| DECK-Bench | 73.5% | 01 | 1 | 100.0% | C | |
| DeepSearchQA | 95.0% | 01 | 9 | 100.0% | C | |
| Kimi Code Bench v2 | 72.9% | 01 | 2 | 100.0% | C | |
| MathVision | 97.8% | 01 | 32 | 100.0% | C | |
| MLS-Bench Lite | 48.3% | 01 | 3 | 100.0% | C | |
| OmniDocBench | 91.1% | 01 | 2 | 100.0% | C | |
| Program Bench | 77.8% | 01 | 5 | 100.0% | C | |
| SpreadsheetBench 2 | 34.8% | 01 | 1 | 100.0% | C | |
| SWE-Marathon | 42.0% | 01 | 3 | 100.0% | C | |
| ZEROBench | 0.41 points | 01 | 9 | 100.0% | C | |
| CharXiv-R | 91.3% | 02 | 48 | 97.9% | C | |
| FrontierSWE | 81.2% | 02 | 15 | 92.9% | C | |
| Job Bench | 52.9% | 02 | 2 | 0.0% | C | |
| MCP Atlas | 84.2% | 02 | 31 | 96.7% | C | |
| MMMU-Pro (with tools) | 83.4% | 02 | 4 | 66.7% | C | |
| PerceptionBench | 58.5% | 02 | 2 | 0.0% | C | |
| PostTrainBench | 36.6% | 02 | 5 | 75.0% | C | |
| Terminal-Bench 2.1 | 88.3% | 02 | 19 | 94.4% | C | |
| Toolathlon | 73.2% | 02 | 31 | 96.7% | C | |
| DeepSWE | 67.5% | 03 | 10 | 77.8% | C | |
| WorldVQA | 51.0% | 03 | 5 | 50.0% | C | |
| DeepSWE 1.1 | 69.0% | 04 | 20 | 84.2% | B | |
| OfficeQA Pro | 63.3% | 04 | 7 | 50.0% | C | |
| GPQA | 93.5% | 07 | 234 | 97.4% | C | |
| MMMU-Pro | 81.6% | 07 | 66 | 90.8% | C | |
| Humanity's Last Exam | 56.0% | 09 | 93 | 91.3% | C |
Kimi K3 Arena Results
Preference and agent-evaluation results for the default version.
| webdev | overall | 02 | 1674.5 | 4,539 | N/A | |
| agent task outcome explicit | overall | 03 | 0.1 | N/A | 21.2K | |
| agent praise complaint | overall | 04 | 0.2 | N/A | 8.1K | |
| agent | overall | 05 | 0.1 | N/A | 2.2M | |
| agent steerability | overall | 10 | 0.1 | N/A | 25.6K | |
| agent tool hallucination | overall | 10 | 0.0 | N/A | 2.1M | |
| text style control | overall | 12 | 1487.3 | 11,438 | N/A | |
| text | overall | 16 | 1475.3 | 11,438 | N/A | |
| agent bash recovery steps | overall | 19 | 0.1 | N/A | 59.8K | |
| text factuality | overall | 21 | 1471.1 | 11,438 | N/A |
Kimi K3 Runtime Performance
Provider-specific output speed and catalog latency for Kimi K3. Runtime does not affect the capability score.
| Novita | 39.843 tok/s | 26.673 s | 1M | 1M | |
| Fireworks | 18.262 tok/s | 8.115 s | 1M | 1M | |
| Moonshot AI | 10.366 tok/s | 9.33 s | 1M | 1M | |
| Together | 6.892 tok/s | 35.147 s | 1M | 1M |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Kimi K3 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $3 input, $15 output per 1M
- Official provider
- Moonshot AI
- Lowest third-party
- From $2 input, $8 output per 1M via CrofAI
- Tracked offerings
- 52
| Kenari | kimi-k3 | global | N/A | N/A | 1M | |
| Umans AI Coding Plan | umans-kimi-k3 | global | N/A | N/A | 1M | |
| Kimi For Coding | k3 | global | N/A | N/A | 1M | |
| CrofAI | kimi-k3 | global | $2 | $8 | 1M | |
| Tinfoil | kimi-k3 | global | $2 | $6 | 256K | |
| Requesty | kimi-k3 | global | $2.25 | $11.25 | 1M | |
| NanoGPT | moonshotai/kimi-k3 | global | $2.5 | $13.5 | 1M | |
| DigitalOcean | kimi-k3 | global | $2.85 | $14.25 | 1M | |
| Deep Infra | moonshotai/Kimi-K3 | global | $2.85 | $14.25 | 1M | |
| Impossibl | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| Fireworks AI | accounts/fireworks/models/kimi-k3 | global | $3 | $15 | 1M | |
| Weights & Biases | moonshotai/Kimi-K3 | global | $3 | $15 | 1M | |
| CrossModel | moonshot/kimi-k3 | global | $3 | $15 | 1M | |
| CoralBricks | kimi-k3 | global | $3 | $15 | 1M | |
| OpenCode Go | kimi-k3 | global | $3 | $15 | 1M | |
| Baseten | moonshotai/Kimi-K3 | global | $3 | $15 | 1M | |
| Nebius Token Factory | moonshotai/Kimi-K3 | global | $3 | $15 | 1M | |
| Vivgrid | kimi-k3 | global | $3 | $15 | 1M | |
| LLM Gateway | kimi-k3 | global | $3 | $15 | 1M | |
| OpenCode Zen | kimi-k3 | global | $3 | $15 | 1M | |
| GitHub Copilot | kimi-k3 | global | $3 | $15 | 1M | |
| Neon | kimi-k3 | global | $3 | $15 | 1M | |
| ClinePass | cline-pass/kimi-k3 | global | $3 | $15 | 1M | |
| ai& | moonshotai/kimi-k3 | global | $3 | $12.5 | 1M | |
| Pioneer | moonshotai/Kimi-K3 | global | $3 | $15 | 1M | |
| ZenMux | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| EmpirioLabs AI | kimi-k3 | global | $3 | $15 | 1M | |
| Together AI | moonshotai/Kimi-K3 | global | $3 | $15 | 1M | |
| Moonshot AI (China) | kimi-k3 | global | $3 | $15 | 1M | |
| Modal | moonshotai/Kimi-K3 | global | $3 | $15 | 1M | |
| Berget.AI | moonshotai/Kimi-K3 | global | $3 | $15 | 327.7K | |
| Neuralwatt | kimi-k3 | global | $3 | $15 | 1M | |
| AIHubMix | kimi-k3 | global | $3 | $15 | 1M | |
| Umans AI | umans-kimi-k3 | global | $3 | $15 | 1M | |
| Ofox | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| Synthetic | hf:moonshotai/Kimi-K3 | global | $3 | $15 | 524.3K | |
| TensorX | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| Kilo Gateway | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| Merge Gateway | moonshot/kimi-k3 | global | $3 | $15 | 1M | |
| Vercel AI Gateway | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| NovitaAI | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| OpenRouter | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| Hugging Face | moonshotai/Kimi-K3 | global | $3 | $15 | 1M | |
| Cloudflare AI Gateway | moonshotai/kimi-k3 | global | $3 | $15 | 1M | |
| Perplexity Agent | moonshot-ai/kimi-k3 | global | $3 | $15 | 1M | |
| Moonshot AI | kimi-k3 | global | $3 | $15 | 1M | |
| Cortecs | kimi-k3 | global | $3 | $15 | 1M | |
| Charm Hyper | kimi-k3 | global | $3.27 | $16.33 | 1M | |
| Venice AI | kimi-k3 | global | $3.75 | $18.75 | 1M | |
| GreenPT | kimi-k3 | global | $3.76 | $18.81 | 1M | |
| LLM Gateway | kimi-k3-fast | global | $4.5 | $22.5 | 1M |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Kimi K3 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| Kimi K3 | 93.0 | 2.8T | 1M | 131.1K | Yes | Kimi K3 License |
What is Kimi K3?
Key information about Kimi K3 and its available data.
Kimi K3 is Moonshot AI's flagship open Mixture-of-Experts model for long-horizon coding, knowledge work, and reasoning. 8 trillion total parameters, activates 16 of 896 experts, and combines Kimi Delta Attention, Attention Residuals, and Stable LatentMoE.
The model supports a 1M-token context window, native image and video understanding, tool calling, structured output, and always-on reasoning with max thinking effort at launch.
Data as of 2026-08-11.
Kimi K3 vs nearby models
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FAQ
Common questions about Kimi K3.
When was Kimi K3 released?
Kimi K3's default version was released on Jul 16, 2026.
How much does Kimi K3 cost?
Kimi K3's official API price is $3 per million input tokens and $15 per million output tokens via Moonshot AI. The lowest tracked third-party offer starts at $2 input and $8 output via CrofAI.
Who created Kimi K3?
Kimi K3 was created by Moonshot AI.
What is the context window for Kimi K3?
The default version has a 1M token context window.
Is Kimi K3 open weight?
Yes. The default version is marked as open weight under Kimi K3 License.
How many API providers offer Kimi K3?
52 provider offerings are linked to the default version.
What models should I compare Kimi K3 with?
Nearby ranked alternatives include Claude Fable 5, GPT-5.6-Sol, Claude Mythos.