Models

Kimi K2 Thinking vs Qwen3.8 Max Preview

Output tokens cost $2.19 per million on Kimi K2 Thinking and $1.01 per million on Qwen3.8 Max Preview. Input tokens cost $0.55 per million on Kimi K2 Thinking and $0.34 per million on Qwen3.8 Max Preview. Cached input tokens are billed at $0.14 per million on Kimi K2 Thinking and $0.03 per million on Qwen3.8 Max Preview. Context lengths are 262,144 tokens on Kimi K2 Thinking and 983,616 tokens on Qwen3.8 Max Preview. Time to first token (TTFT) measured on AIHubMix is 0.4s on Kimi K2 Thinking and 2.4s on Qwen3.8 Max Preview. Measured output throughput is 208.3 tok/s on Kimi K2 Thinking and 48.1 tok/s on Qwen3.8 Max Preview. On the LMArena coding leaderboard Kimi K2 Thinking scores 1467 and Qwen3.8 Max Preview scores 1520.

Moonshot AIKimi K2 ThinkingQwenQwen3.8 Max Preview
Moonshot AI logo
Kimi K2 Thinking
Moonshot AI · text → text

Kimi K2 Thinking is Moonshot AI's most advanced open-source inference model to date, extending the K2 series into intelligent agent and long-context inference domains. The model is built on the trillion-parameter mixture of experts (MoE) architecture introduced by Kimi K2, activating 32 billion parameters per forward pass and supporting a context window of 256,000 tokens.

Input$0.55 /M
Output$2.19 /M
Qwen logo
Qwen3.8 Max Preview
Qwen · text, image → text

Qwen 3.8 Max Preview(Qwen3.8-Max-Preview) is the latest-generation foundation model in the Qwen family, packing 2.4T parameters and still evolving. Compared with the previous flagship Qwen 3.7 Max, it delivers major gains in core capabilities like Coding and Cowork (professional productivity), with world-leading performance on complex, long-horizon tasks such as full-stack development, data analysis, and Office workflows. Launch offer: Credits are consumed at just 20% of the standard rate, effectively 5× your usage. Limited time only.

Input$0.34 /M
Output$1.01 /M

Pricing & Specifications

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

Kimi K2 Thinking
Qwen3.8 Max Preview
Input /M
$0.55
$0.34
Output /M
$2.19
$1.01
Cache read /M
$0.14
$0.03
Context length
262,144
983,616
Max output
262,144
131,072
Time to First Token
0.4 s
2.4 s
Throughput
208.3 tok/s
48.1 tok/s
Modalities
text
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputs
toolsfunction callingstructured outputsweblong contextthinking
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-k2-thinkingqwen3.8-max-preview

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

kimi-k2-thinkingqwen3.8-max-preview

Throughput (tok/s)

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TTFT (s)

-

Uptime (%)

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LMArena Benchmarks

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

Text
kimi-k2-thinkingqwen3.8-max-preview
1360142014801540
Overall
14181481
Coding
14671520
Math
14161504
Hard prompts
14371506
Instruction following
13901478
Multi-turn
14041496
Creative writing
13821469
Longer query
14031497
Chinese
14541545
English
14231486

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.

Qwen3.8 Max Preview
$35.49 /mo
Kimi K2 Thinking
$65.76 /mo

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

FAQ

Which is cheaper: Kimi K2 Thinking, Qwen3.8 Max Preview?

Qwen3.8 Max Preview: $1.01/M output tokens; Kimi K2 Thinking: $2.19/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Qwen3.8 Max Preview: 1520; Kimi K2 Thinking: 1467 (LMArena coding leaderboard).

Which responds faster?

Kimi K2 Thinking: 0.4s 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 K2 Thinking accepts 262,144 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 262,144 tokens on Kimi K2 Thinking and 131,072 tokens on Qwen3.8 Max Preview.

Which one generates tokens faster?

Kimi K2 Thinking at 208.3 tok/s and Qwen3.8 Max Preview at 48.1 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 K2 Thinking accepts text input and supports thinking, tool calling, function calling and structured outputs; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.

Can I call Kimi K2 Thinking and Qwen3.8 Max Preview 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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