Output tokens cost $6.00 per million on Grok 4.5 and $0.54 per million on Qwen3 Coder Flash. Input tokens cost $2.00 per million on Grok 4.5 and $0.14 per million on Qwen3 Coder Flash. Cached input tokens are billed at $0.50 per million on Grok 4.5 and $0.14 per million on Qwen3 Coder Flash. Context lengths are 500,000 tokens on Grok 4.5 and 256,000 tokens on Qwen3 Coder Flash. Time to first token (TTFT) measured on AIHubMix is 1.8s on Grok 4.5 and 1.9s on Qwen3 Coder Flash. Measured output throughput is 26.8 tok/s on Grok 4.5 and 57.5 tok/s on Qwen3 Coder Flash. On the LMArena coding leaderboard Grok 4.5 scores 1523 and Qwen3 Coder Flash scores 1457.
Grok 4.5
Qwen3 Coder FlashGrok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.
Qwen3 Coder Flash is Alibaba's fast and cost efficient version of their proprietary Qwen3 Coder Plus. It is a powerful coding agent model specializing in autonomous programming via tool calling and environment interaction, combining coding proficiency with versatile general-purpose abilities.
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 Coder Flash: $0.54/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.
Grok 4.5: 1523; Qwen3 Coder Flash: 1457 (LMArena coding leaderboard).
Grok 4.5: 1.8s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
Grok 4.5 accepts 500,000 and Qwen3 Coder Flash accepts 256,000 input tokens. Maximum output per request is 500,000 tokens on Grok 4.5 and 65,536 tokens on Qwen3 Coder Flash.
Qwen3 Coder Flash at 57.5 tok/s and Grok 4.5 at 26.8 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; Qwen3 Coder Flash accepts text input and supports tool calling, 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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