MODEL PROOF
Kimi K3.1 Pro
NO LMARENA GENERAL SCORE
No LMArena general score is attached to this listing.
Price under confirmation since 2026-11-05. Upstream lists another price for this model now, or other prices from its sellers. What is shown is the last we published; the new figures are published once a second day shows the same values.
- Independent LMArena score
- No LMArena general score
- Context window
- 1.05M
- Maximum output
- 943.72K
- Input modalities
- text, image, video
- Output modalities
- text
- Published input price
- $2.00 / 1M tokens
- Published output price
- $10.00 / 1M tokens
- Pricing kind
- fixed
Inspect complete billing conditions and endpoint terms below.
Price from Moonshot AI: the cheapest offer that is serving, at standard delivery, with at least 90% of the reference context and at the maker’s precision or better, at its standard rate.
Price under confirmation since 2026-11-05 Upstream lists another price for this model now, or other prices from its sellers. What is shown is the last we published; the new figures are published once a second day shows the same values.
Every price dimension · USD per million tokens
| Input | $2.00/M |
|---|---|
| Output | $10.00/M |
| Cached input | $0.200/M |
| Cache write | Unknown/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
Who sells it
The same weights, different shops. Cheapest is not like-for-like when serving precision differs.
2 provider offers · rates, limits and conditions
Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Moonshot AImoonshotai/mxfp4 Endpoint terms
| $2.00 | $10.00 | mxfp4 | 100.00% |
| Moonshot AImoonshotai/highspeed Endpoint terms
| $4.00 | $20.00 | mxfp4 | 100.00% |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- UI components #1 1395
- Web apps #1 1312
- 3D #2 1450
- SVG #2 1329
- Mobile apps #3 1277
- Websites #4 1326
- Code categories #4 1356
- Game development #4 1413
Per-task Elo and rank from Design Arena, via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.
Capability
| Context window | 1M |
|---|---|
| Max output | 943K |
| Input modes | text, image, video |
| Tool use | yes |
| Reasoning | optional |
| Open weights | Unknown |
Provenance
| Price source | Published record of 2026-11-04, under confirmation since 2026-11-05 |
|---|---|
| Fetched | 2026-11-05 |
| Held | Price and provider offers kept at the published record of 2026-11-04 until a second day confirms the newer upstream value, or after 3 days until one day’s two readings agree. |
| Quality data | unrated |
Kimi 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...
Questions this page answers
What does Kimi K3.1 Pro cost?
$2.00/M in, $10.00/M out: the published record of 2026-11-04, under confirmation since 2026-11-05. That is the API row, not a subscription.
Does Kimi K3.1 Pro have an independent quality score?
Kimi K3.1 Pro has no LMArena general score in this catalogue. Unrated is not a score of zero.
What beats Kimi K3.1 Pro?
Kimi K3.1 Pro has no LMArena general score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for Kimi K3.1 Pro?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
Does a missing score mean Kimi K3.1 Pro scored zero?
Unrated is not a score of zero.
MODEL MONUMENT
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The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.
[](https://undominated.ai/models/moonshotai__kimi-k3.1-pro/)<a href="https://undominated.ai/models/moonshotai__kimi-k3.1-pro/"><img src="https://undominated.ai/badge/moonshotai__kimi-k3.1-pro.svg" alt="Kimi K3.1 Pro — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/moonshotai__kimi-k3.1-pro.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
older than the last deploy.
