MoonshotAI: Kimi K3
Released Jul 16, 2026Try it on:
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...
Best overall rank
#1
Across all subsets · overall
Total arena votes
24,578
Across 24 (subset, category) entries
Providers on OR
1
Moonshot AI
First seen
2026-07-17
0 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $3.00
- Output (per 1M)
- $15.00
- Cache Read (per 1M)
- $0.300
Capabilities
Modality
text+image->textContext
1M tokens
Tokenizer
Other
Moderation
Unmoderated
Supported parameters
frequency_penalty
include_reasoning
max_tokens
presence_penalty
reasoning
reasoning_effort
response_format
stop
structured_outputs
tool_choice
tools
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| Moonshot AI | moonshotai/int4 | 1M | $3.00 | $15.00 | 99.99% | - | int4 | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #1 | Industry Legal And Government | - | 1535 | 209 | |
| ★ #1 | Industry Life And Physical And Social Science | - | 1536 | 469 | |
| ★ #1 | Industry Medicine And Healthcare | - | 1526 | 206 | |
| #6 | Creative Writing | - | 1479 | 506 | |
| #6 | English | - | 1500 | 1,128 | |
| #6 | Hard Prompts English | - | 1518 | 708 | |
| #8 | Industry Writing And Literature And Language | - | 1478 | 726 | |
| #8 | Longer Query | - | 1498 | 1,308 | |
| #9 | Instruction Following | - | 1481 | 949 | |
| #9 | Overall | - | 1486 | 3,024 | |
| #10 | Coding | - | 1529 | 798 | |
| #10 | Hard Prompts | - | 1506 | 1,942 | |
| #10 | Industry Business And Management And Financial Operations | - | 1488 | 621 | |
| #11 | Exclude Ties | - | 1498 | 2,266 | |
| #13 | Industry Software And It Services | - | 1513 | 1,175 | |
| #14 | Non English | - | 1471 | 1,896 | |
| #16 | Industry Entertainment And Sports And Media | - | 1453 | 685 | |
| #17 | Multi Turn | - | 1486 | 491 | |
| #18 | Expert | - | 1505 | 262 | |
| #18 | Russian | - | 1485 | 318 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #1 | Overall | - | 1679 | 1,757 | |
| ★ #1 | Webdev | - | 1679 | 1,757 | |
| ★ #1 | Webdev-react | - | 1692 | 1,223 | |
| ★ #2 | Webdev-html | - | 1635 | 154 |