Models / Moonshot AI
Kimi K3.1 Pro
by Moonshot AI ·
moonshotai/kimi-k3.1-proKimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...
reasoningtool-usevisionreleased 2026-10-23
Legal score · raw
-
not yet benchmarked
Context
1.05M
max output 944K
Input
$2.50
per 1M tokens
Output
$12.50
per 1M tokens
Suite cost
-
no run recorded
Prompt caching
Grounded answers re-send the same retrieved authority every turn, so a cached read is what a long matter actually costs. Prices are per 1M tokens, from the provider’s own catalog.
Cache read
$0.25
10x cheaper than uncached
Uncached input
$2.50
per 1M tokens
Capabilities
Modalities
in textimagevideo
out text
Request parameters it accepts
frequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetools
Benchmark results
This model has not been run through the suite yet. See Humanity's Last Lawsuit for the benchmark models are ranked on.
Measured by DocketBuster
These numbers come from DocketBuster's own legal battery, not from DocketRouter's suite. Latest run per metric, with n and a 95% Wilson interval where the source reports one. See docketbuster.com/benchmarks.
| Metric | Value | n | Interval | Measured |
|---|---|---|---|---|
| Statute pinpoint, exact section (no retrieval) | 25.0% (75/300) | 300 | 95% CI 20.4% to 30.2% | 2026-08-22 |
| Say-nothing rate (declines to bluff when the answer is not in the record) | 100.0% | 58 | 95% CI 93.8% to 100.0% | 2026-08-22 |
| Abstained on statute pinpoint | 47.7% (143/300) | 300 | count, no interval reported | 2026-08-22 |
| Coaching quality (rubric, 0 to 8) | 7.36 / 8 | - | rubric mean, no interval reported | 2026-08-23 |