Output tokens cost $6.00 per million on Grok 4.20 Beta 0309 (reasoning) and $1.01 per million on Qwen3.8 Max Preview. Input tokens cost $2.00 per million on Grok 4.20 Beta 0309 (reasoning) and $0.34 per million on Qwen3.8 Max Preview. Cached input tokens are billed at $0.20 per million on Grok 4.20 Beta 0309 (reasoning) and $0.03 per million on Qwen3.8 Max Preview. Context lengths are 2,000,000 tokens on Grok 4.20 Beta 0309 (reasoning) and 983,616 tokens on Qwen3.8 Max Preview. Time to first token (TTFT) measured on AIHubMix is 1.7s on Grok 4.20 Beta 0309 (reasoning) and 2.4s on Qwen3.8 Max Preview. Measured output throughput is 74.3 tok/s on Grok 4.20 Beta 0309 (reasoning) and 48.1 tok/s on Qwen3.8 Max Preview. On the LMArena coding leaderboard Grok 4.20 Beta 0309 (reasoning) scores 1511 and Qwen3.8 Max Preview scores 1520.
Grok 4.20 Beta 0309 (reasoning)
Qwen3.8 Max PreviewGrok 4.20 Beta is our latest flagship model, offering industry-leading speed and agent tool-invocation capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, enabling it to consistently deliver precise and factual responses.
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.
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.
Qwen3.8 Max Preview: $1.01/M output tokens; Grok 4.20 Beta 0309 (reasoning): $6.00/M. Use the cost calculator above to estimate your own workload.
Qwen3.8 Max Preview: 1520; Grok 4.20 Beta 0309 (reasoning): 1511 (LMArena coding leaderboard).
Grok 4.20 Beta 0309 (reasoning): 1.7s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
Grok 4.20 Beta 0309 (reasoning) accepts 2,000,000 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 2,000,000 tokens on Grok 4.20 Beta 0309 (reasoning) and 131,072 tokens on Qwen3.8 Max Preview.
Grok 4.20 Beta 0309 (reasoning) at 74.3 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.
Grok 4.20 Beta 0309 (reasoning) accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.
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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