LFM2.5-2.6B is a compact reasoning model from Liquid AI. It is suited for agent workflows, data extraction, RAG, and long-context processing. Liquid advises against using it for agentic coding or...
Model details →LiquidAI: LFM2.5-2.6B (free) vs Qwen: Qwen3 4B (free)
LiquidAI: LFM2.5-2.6B (free) wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
Qwen3-4B is a 4 billion parameter dense language model from the Qwen3 series, designed to support both general-purpose and reasoning-intensive tasks. It introduces a dual-mode architecture—thinking and non-thinking—allowing dynamic switchin…
Model details →Side-by-side comparison
| Capability | LiquidAI: LFM2.5-2.6B (free) | Qwen: Qwen3 4B (free) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 66K | 41K | 🏆 LiquidAI: LFM2.5-2.6B (free) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.00 | $0.00 | Tie |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.00 | $0.00 | Tie |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is LiquidAI: LFM2.5-2.6B (free) better than Qwen: Qwen3 4B (free)?
LiquidAI: LFM2.5-2.6B (free) wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between LiquidAI: LFM2.5-2.6B (free) and Qwen: Qwen3 4B (free)?
Input: $0.00 vs $0.00 per 1M tokens. Output: $0.00 vs $0.00 per 1M tokens.
What context windows do LiquidAI: LFM2.5-2.6B (free) and Qwen: Qwen3 4B (free) support?
LiquidAI: LFM2.5-2.6B (free) supports up to 66K tokens. Qwen: Qwen3 4B (free) supports up to 41K tokens.
Do both LiquidAI: LFM2.5-2.6B (free) and Qwen: Qwen3 4B (free) support tool calling?
LiquidAI: LFM2.5-2.6B (free): yes. Qwen: Qwen3 4B (free): yes.