MoonshotAI: Kimi K2 0905
Released Sep 4, 2025Ranked in:Text
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Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...
Best overall rank
#90
Across all subsets · overall
Total arena votes
64,074
Across 27 (subset, category) entries
Providers on OR
3
AtlasCloud + others
First seen
2026-05-08
45 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $0.600
- Output (per 1M)
- $2.50
Capabilities
Modality
text->textContext
262K tokens
Tokenizer
Other
Knowledge cutoff
2024-12-31
Max output
262K tokens
Moderation
Unmoderated
Hugging Face
Supported parameters
frequency_penalty
logit_bias
max_tokens
min_p
presence_penalty
repetition_penalty
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_p
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| AtlasCloud | atlas-cloud/fp8 | 262K | $0.600 | $2.50 | 99.94% | - | fp8 | - |
| Groq | groq | 262K | $1.00 | $3.00 | 99.94% | - | - | ✓ |
| Novita | novita/fp8 | 262K | $0.600 | $2.50 | 99.87% | - | fp8 | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #58 | Industry Legal And Government | - | 1452 | 780 | |
| #72 | German | - | 1421 | 260 | |
| #74 | Japanese | - | 1375 | 182 | |
| #74 | Spanish | - | 1419 | 331 | |
| #79 | Industry Medicine And Healthcare | - | 1445 | 719 | |
| #83 | Coding | - | 1468 | 2,241 | |
| #86 | Industry Life And Physical And Social Science | - | 1439 | 1,734 | |
| #88 | Russian | - | 1411 | 699 | |
| #90 | Exclude Ties | - | 1406 | 8,573 | |
| #90 | Overall | - | 1418 | 11,780 | |
| #91 | Chinese | - | 1454 | 735 | |
| #91 | Industry Mathematical | - | 1424 | 641 | |
| #91 | Math | - | 1416 | 759 | |
| #93 | Korean | - | 1354 | 292 | |
| #94 | Hard Prompts | - | 1437 | 5,580 | |
| #97 | Industry Software And It Services | - | 1452 | 3,964 | |
| #101 | Hard Prompts English | - | 1439 | 2,840 | |
| #102 | Creative Writing | - | 1382 | 1,501 | |
| #103 | English | - | 1423 | 5,467 | |
| #103 | Industry Entertainment And Sports And Media | - | 1380 | 2,103 | |
| #108 | Industry Business And Management And Financial Operations | - | 1405 | 2,058 | |
| #110 | French | - | 1419 | 183 | |
| #115 | Industry Writing And Literature And Language | - | 1381 | 2,593 | |
| #115 | Multi Turn | - | 1404 | 2,076 | |
| #117 | Expert | - | 1418 | 555 | |
| #117 | Instruction Following | - | 1390 | 2,887 | |
| #124 | Longer Query | - | 1403 | 2,541 |