Grok 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.
grok-4.5 vs lfm-2.5-2.6b-free
Context windows are 1,000,000 tokens on grok-4.5 and 128,000 tokens on lfm-2.5-2.6b-free.
LFM-2.5-2.6B is a compact reasoning model developed by Liquid, featuring a generous 128,000 token context length. It is highly suited for agent workflows, data extraction, retrieval-augmented generation (RAG), and long-context processing. However, the developer advises against using this model for agentic coding tasks.
Specs & Pricing
Prices are per million tokens. Latency and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
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Cost Calculator
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Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
How large is each context window?
grok-4.5 accepts 1,000,000 and lfm-2.5-2.6b-free accepts 128,000 input tokens.
What inputs and capabilities does each model support?
grok-4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; lfm-2.5-2.6b-free accepts text input and supports reasoning and long context.
Can I call grok-4.5 and lfm-2.5-2.6b-free 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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