Is Kimi K3.1 Pro a good deal?

Whether anything in this catalogue beats Kimi K3.1 Pro on both quality and price, and what you give up if it does. A computation on the current catalogue, not an opinion.

10 undominated of 142 · Nov 5, 2026

As of Nov 5, 2026, Kimi K3.1 Pro has no LMArena general score. We cannot rank it. Absence of a score is not a score of zero. Kimi K3.1 Pro: Price under confirmation since Nov 5, 2026.

Inspect model evidence

Current model

Kimi K3.1 Pro

Balanced

3 tokens in per 1 out

Kimi K3.1 Pro takes text, image, video, returns up to 943,718 tokens from a 1,048,576-token context, and is listed by 2 sellers.

LMArena EloEffective $/M · Balanced
142 rated, priced standard models. Chartreuse is the frontier. Cobalt is the model you named, when it is not on the staircase.

Open the frontier

The link keeps the model and mix, using the current catalogue. Monthly spend and switching cost stay in this browser tab and are left out of the link.

Saved decision references

Save the model, workload, catalogue date and capability-preservation rule in this browser. Spend, switching cost and bill contents are not saved. No account or notifications.

Constraint: replacements must preserve the model’s capabilities; any losses remain named trade-offs.

Historical decisions cannot be fully replayed from saved references: past prices, scores and capability evidence are not stored.

Evidence & Ask