Models

Kimi K3 vs Laguna S 2.1

Compare Kimi K3 from Moonshot AI and Laguna S 2.1 from Poolside on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

Moonshot AIKimi K3PoolsideLaguna S 2.1
Moonshot AI logo
Kimi K3
Moonshot AI · text, image, video → text

Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.

Input$3 /M
Output$15 /M
Cache read$0.3 /M
Poolside logo
Laguna S 2.1
Poolside · text → text

laguna-s-2.1 is Poolside's coding agent model, designed for programming and developer agent workflows. It offers a massive 1,048,576-token context window, a 118B total parameter architecture with 8B active parameters, and cost-effective text processing with prompt caching.

Input$0.1 /M
Output$0.2 /M
Cache read$0.01 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Kimi K3
Laguna S 2.1
Input /M
$3
$0.1
Output /M
$15
$0.2
Cache read /M
$0.3
$0.01
Context length
1,048,576
1,048,576
Max output
1,048,576
0
Time to First Token
0.9 s
-
Throughput
73.1 tok/s
-
Modalities
textimagevideo
text
Supported Parameters
thinkingfunction callingstructured outputs
API Formats
Released
July 16, 2026
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Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

kimi-k3laguna-s-2.1

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

kimi-k3laguna-s-2.1

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

Laguna S 2.1
$9.00 /mo
Kimi K3
$405 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Kimi K3, Laguna S 2.1?

Laguna S 2.1: $0.2/M output tokens; Kimi K3: $15/M. Use the cost calculator above to estimate your own workload.

How large is each context window?

Kimi K3 accepts 1,048,576 and Laguna S 2.1 accepts 1,048,576 input tokens.

What inputs and capabilities does each model support?

Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs; Laguna S 2.1 accepts text input.

Can I call Kimi K3 and Laguna S 2.1 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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