Kimi K3
Moonshot AIhuggingface.co/moonshotai/Kimi-K3
Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...
Updated 20 min ago · first seen 11 Sept 2026
model_01M294AHZM52W3RF44Y4H7K7JV
- Parameters
- 2.78T
- T2 · 23 min ago
- Context
- 1.05M tokens
- T2 · 24 min ago
- Released
- 16 Jul 2026
- T2 · 24 min ago
Specification
- Release date
- 16 Jul 2026
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Openness
- open-weights
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 23 min agomedium
- Parameters
- 2.78T
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 23 min agomedium
- Context window
- 1.05M tokens
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Max output
- 943.7K tokens
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Modalities
- image, text, video
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Input modalities
- image, text, video
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Hugging Face repo
- moonshotai/Kimi-K3
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Pipeline tag
- image-text-to-text
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 23 min agomedium
- Model card
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 23 min agomedium
- Downloads
- 2,307,369
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium
- Likes
- 11,284
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 20 min agomedium
- Last modified
- 2026-09-02T02:22:41+00:00
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 23 min agomedium
- Openrouter id
- moonshotai/kimi-k3
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Supported parameters
- frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
21
Source tiers
T221
Freshest observation
20 min ago
Conflicts
None
Modalities
- Modalities
- imagetextvideo
- Input
- imagetextvideo
- Output
- text
Capabilities
Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Yes
OpenRouter public model & pricing listing · T2
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 1.05M tokens
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
- Max output
- 943.7K tokens
Source:OpenRouter public model & pricing listingT2observed 24 min agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| Moonshot AI Platformmoonshotai/kimi-k3 | $1.8 | $9.01 | $0.205 | — | 1.05M | 24 min ago | openrouter.aiT2 |
| Fireworks AIfireworks/kimi-k3 | $3 | $15 | $0.30 | — | — | 34 min ago | app.fireworks.aiT1 |
| Moonshot AI Platformmoonshotai/kimi-k3:batch | $3 | $15 | $0.30 | — | 1.05M | 24 min ago | openrouter.aiT2 |
| Fireworks AIfireworks/kimi-k3:us | $3.3 | $16.5 | $0.33 | — | — | 34 min ago | app.fireworks.aiT1 |
| Fireworks AIfireworks/kimi-k3:fast | $4.5 | $22.5 | $0.45 | — | — | 34 min ago | app.fireworks.aiT1 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 2
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- Fireworks AI
- Moonshot AI Platform
Memory need = bytes per parameter (4-bit ≈ 0.5 × 1.15 overhead, 8-bit 1.0, fp16 2.0) + a KV-cache allowance. Not a measurement.
| Hardware | Quantization | Memory | Est. need | Fits |
|---|---|---|---|---|
| Apple M3 Ultra | 4bit | — | 1599.0 GB | No |
| AMD Instinct MI325X | 4bit | 256 GB | 1599.0 GB | No |
| AMD Instinct MI300X | 4bit | 192 GB | 1599.0 GB | No |
| Apple M2 Ultra | 4bit | — | 1599.0 GB | No |
| NVIDIA B200 | 4bit | 180 GB | 1599.0 GB | No |
| NVIDIA H200 | 4bit | 141 GB | 1599.0 GB | No |
| Apple M1 Ultra | 4bit | — | 1599.0 GB | No |
| Apple M3 Max | 4bit | — | 1599.0 GB | No |
| Apple M4 Max | 4bit | — | 1599.0 GB | No |
| NVIDIA DGX Spark | 4bit | 128 GB | 1599.0 GB | No |
| Apple M2 Max | 4bit | — | 1599.0 GB | No |
| NVIDIA A100 80GB | 4bit | 80 GB | 1599.0 GB | No |
| NVIDIA H100 SXM | 4bit | 80 GB | 1599.0 GB | No |
| Apple M1 Max | 4bit | — | 1599.0 GB | No |
| Apple M4 Pro | 4bit | — | 1599.0 GB | No |
| Apple M3 Pro | 4bit | — | 1599.0 GB | No |
| Apple M1 Pro | 4bit | — | 1599.0 GB | No |
| Apple M2 Pro | 4bit | — | 1599.0 GB | No |
| Apple M4 | 4bit | — | 1599.0 GB | No |
| NVIDIA GeForce RTX 5090 | 4bit | 32 GB | 1599.0 GB | No |
| Apple M2 | 4bit | — | 1599.0 GB | No |
| Apple M3 | 4bit | — | 1599.0 GB | No |
| NVIDIA GeForce RTX 3090 | 4bit | 24 GB | 1599.0 GB | No |
| NVIDIA GeForce RTX 4090 | 4bit | 24 GB | 1599.0 GB | No |
| Apple M1 | 4bit | — | 1599.0 GB | No |
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history · Pipeline tag
Pipeline tagpipeline_tag1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| image-text-to-text | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Moonshot AI Platform lists Kimi K3 at $3 in / $15 out per 1M tokens
openrouterMoonshot AI Platform lists Kimi K3 at $1.7955 in / $9.006 out per 1M tokens
openrouterFireworks AI lists Kimi K3 at $3.3 in / $16.5 out per 1M tokens
fireworks_pricingFireworks AI lists Kimi K3 at $4.5 in / $22.5 out per 1M tokens
fireworks_pricingFireworks AI lists Kimi K3 at $3 in / $15 out per 1M tokens
fireworks_pricing
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Fireworks AI — pricing | docs.fireworks.ai/serverless/pricing.md | pricing | T1· Official | 29 min ago | 1 |
| Hugging Face Hub (public pages, model cards, papers) | huggingface.co/models?author=moonshotai&p=0&sort=downloads | listing | T2· Quality secondary | 20 min ago | 2 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 24 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.