CP

Moonshot (Kimi)

Kimi K3

Kimi K3 scores 1655 on WebDev Arena — rank 10 of 29 models we track with a published score and costs $6 per 1M blended tokens on the API — the best-scoring model at that price is Claude Sonnet 5.5 (1768).

API price

$6

per 1M blended tokens

WebDev Arena

1655

rank 10 of 29 tracked models

Cheapest plan with it

ClinePass

$9.99/month

Benchmark scores

BenchmarkScoreRankSourcePublished
WebDev Arena1655Max#10 of 29LMArena2026-10-19
FrontierCode44.2%unknown#11 of 25Epoch AI Benchmarking Hub2026-07-16
FrontierSWE25.9%max#9 of 12Epoch AI Benchmarking Hub2026-07-16
DeepSWE68.5%max#4 of 12Epoch AI Benchmarking Hub2026-07-16

The rank is among the 29 models we track with a published score for that benchmark — not the full leaderboard of the source, which lists many models we do not track. Where a source publishes several reasoning-effort settings, we show the model's best listed result.

API price

Input
$3 per 1M tokens
Output
$15 per 1M tokens
Blended (3 input : 1 output)
$6 per 1M tokens

Cache write and cached input prices are listed separately by the vendor.

Checked 2026-10-21 · source

Where it sits

WebDev Arena score against API price, with every model we can price and score on the same benchmark. Up and to the left is better.

Kimi K3 on the WebDev Arena vs price chart$0.14$2.0$29180016001400Kimi K3API price per 1M blended tokensWebDev Arena
Value frontier
No — a cheaper model scores higher
Best model at $6 or less
Claude Sonnet 5.51768 · $4
Cheaper and scoring higher
Claude Sonnet 5.51768 · $4, GPT-6.1 Sol1753 · $4, Qwen3.8-Max1674 · $3
Cheaper models on the frontier
DeepSeek V4.1 Flash1664 · $0.52, Qwen3.8-Max1674 · $3, Claude Sonnet 5.51768 · $4

Plans that include Kimi K3

Other Moonshot (Kimi) models

Common questions

How much does Kimi K3 cost?
$3 per 1M input tokens and $15 per 1M output tokens, which is $6 on a 3:1 input:output mix. The price was checked on 2026-10-21.
Which subscription plans include Kimi K3?
6 of the plans we track list it by name: ClinePass ($9.99/mo), OpenCode Go ($10/mo), Kimi Code Plus ($19/mo), Copilot Pro+ ($39/mo) and 2 more.
How does Kimi K3 rank on WebDev Arena?
It ranks 10 of 29 models we track with a published WebDev Arena score, at 1655. The rank is among the models on this site, not the full LMArena leaderboard.
Is Kimi K3 the best value for coding?
No. 3 tracked models scores higher on WebDev Arena and costs less. The best-scoring model at $6 or less is Claude Sonnet 5.5.
What is the cheapest way to use Kimi K3?
ClinePass is the cheapest subscription we track that lists it, at $9.99/month. Per-token API pricing is listed separately above.