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Qwen3.8 Max Preview vs Sf Kimi K2 Thinking

Compare Qwen3.8 Max Preview from Qwen and Sf Kimi K2 Thinking from Moonshot AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

QwenQwen3.8 Max PreviewMoonshot AISf Kimi K2 Thinking
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Qwen3.8 Max Preview
Qwen · text, image, video → 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$0.338 /M
Output$1.014 /M
Cache read$0.0338 /M
Details

Pricing & Specifications

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

Qwen3.8 Max Preview
Sf Kimi K2 Thinking
Input /M
$0.338
$0.548
Output /M
$1.014
$2.192
Cache read /M
$0.0338
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Context length
1,000,000
256,000
Max output
131,072
0
Time to First Token
2.4 s
1.6 s
Throughput
48.1 tok/s
42.4 tok/s
Modalities
textimagevideo
Supported Parameters
toolsfunction callingstructured outputsweblong contextthinking
API Formats
Released
July 19, 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.

qwen3.8-max-previewsf-kimi-k2-thinking

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.

qwen3.8-max-previewsf-kimi-k2-thinking

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
qwen3.8-max-previewsf-kimi-k2-thinking
1360142014801540
Overall
14181480
Coding
14671520
Math
14161497
Hard prompts
14371502
Instruction following
13901477
Multi-turn
14041493
Creative writing
13821466
Longer query
14031492
Chinese
14541536
English
14231488

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
Sf Kimi K2 Thinking
$65.76 /mo

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

FAQ

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

Qwen3.8 Max Preview: $1.014/M output tokens; Sf Kimi K2 Thinking: $2.192/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

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

Which responds faster?

Sf Kimi K2 Thinking: 1.6s 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?

Qwen3.8 Max Preview accepts 1,000,000 and Sf Kimi K2 Thinking accepts 256,000 input tokens.

Which one generates tokens faster?

Qwen3.8 Max Preview at 48.1 tok/s and Sf Kimi K2 Thinking at 42.4 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

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