Context lengths are 204,800 tokens on Coding MiniMax M2.1 (free) and 1,048,576 tokens on Kimi K3. On the LMArena coding leaderboard Coding MiniMax M2.1 (free) scores 1439 and Kimi K3 scores 1531.
Coding MiniMax M2.1 (free)
Kimi K3coding-minimax-m2.1-free is a free and open version offered by AIHubMix specifically for MiniMax users. To maintain stable service operations, the following usage limits apply: a maximum of 5 requests per minute, 500 total requests per day, and a daily quota of 1 million tokens.
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.
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Daily traffic served through AIHubMix — how demand for each model is trending.
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
Kimi K3: 1531; Coding MiniMax M2.1 (free): 1439 (LMArena coding leaderboard).
Coding MiniMax M2.1 (free) accepts 204,800 and Kimi K3 accepts 1,048,576 input tokens. Maximum output per request is 13,100 tokens on Coding MiniMax M2.1 (free) and 1,048,576 tokens on Kimi K3.
Coding MiniMax M2.1 (free) accepts text input and supports thinking, tool calling, function calling and structured outputs; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.
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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