Models

Kimi K3 vs Qwen3 Next 80B A3B Instruct

Compare Kimi K3 from Moonshot AI and Qwen3 Next 80B A3B Instruct from Qwen 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 K3QwenQwen3 Next 80B A3B Instruct
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$3.00 /M
Output$15.00 /M
Qwen logo
Qwen3 Next 80B A3B Instruct
Qwen · text, image → text

Qwen3-Next-80B-A3B-Instruct is an instruction-tuned model in the Qwen3-Next series, optimized for delivering fast, stable, and direct final answers without showing its reasoning steps ("thinking traces"). Unlike chain-of-thought models, it focuses on generating consistent, instruction-following outputs, making it ideal for production environments. It excels at complex tasks like reasoning and coding while maintaining high throughput and stability, especially with ultra-long inputs and multi-turn dialogues. Engineered for efficiency, its performance rivals larger Qwen3 systems, making it perfectly suited for RAG, tool use, and agentic workflows where deterministic results are critical.

Input$0.14 /M
Output$0.55 /M

Pricing & Specifications

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

Kimi K3
Qwen3 Next 80B A3B Instruct
Input /M
$3.00
$0.14
Output /M
$15.00
$0.55
Cache read /M
$0.30
$0.14
Context length
1,048,576
256,000
Max output
1,048,576
256,000
Time to First Token
0.9 s
0.1 s
Throughput
73.1 tok/s
150.0 tok/s
Modalities
textimagevideo
textimage
Supported Parameters
thinkingfunction callingstructured outputs
toolsfunction callingstructured outputs
API Formats
Released
-
-

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-k3qwen3-next-80b-a3b-instruct

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

kimi-k3qwen3-next-80b-a3b-instruct

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
kimi-k3qwen3-next-80b-a3b-instruct
1300138014601540
Overall
14021486
Coding
14461531
Math
14191419
Hard prompts
14211505
Instruction following
13791479
Multi-turn
14041499
Creative writing
13161470
Longer query
13911502
Chinese
14541527
English
14111491

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

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

Qwen3 Next 80B A3B Instruct
$16.56 /mo
Kimi K3
$405 /mo

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

FAQ

Which is cheaper: Kimi K3, Qwen3 Next 80B A3B Instruct?

Qwen3 Next 80B A3B Instruct: $0.55/M output tokens; Kimi K3: $15.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Kimi K3: 1531; Qwen3 Next 80B A3B Instruct: 1446 (LMArena coding leaderboard).

Which responds faster?

Qwen3 Next 80B A3B Instruct: 0.1s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Kimi K3 accepts 1,048,576 and Qwen3 Next 80B A3B Instruct accepts 256,000 input tokens. Maximum output per request is 1,048,576 tokens on Kimi K3 and 256,000 tokens on Qwen3 Next 80B A3B Instruct.

Which one generates tokens faster?

Qwen3 Next 80B A3B Instruct at 150.0 tok/s and Kimi K3 at 73.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs; Qwen3 Next 80B A3B Instruct accepts text and image input and supports tool calling, function calling and structured outputs.

Can I call Kimi K3 and Qwen3 Next 80B A3B Instruct 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.

Popular comparisons

Related model match-ups readers also look at.