GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
Model details →OpenAI: GPT-5.4 Nano (batch) vs Poolside: Laguna S 2.1 (free)
OpenAI: GPT-5.4 Nano (batch) and Poolside: Laguna S 2.1 (free) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Laguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>). Laguna S 2.1 is a 118B total parameter model with 8B active parameters, scoring 70.2% on Terminal-Bench 2.1 and...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5.4 Nano (batch) | Poolside: Laguna S 2.1 (free) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 262K | 🏆 OpenAI: GPT-5.4 Nano (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $0.00 | 🏆 Poolside: Laguna S 2.1 (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.63 | $0.00 | 🏆 Poolside: Laguna S 2.1 (free) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 OpenAI: GPT-5.4 Nano (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5.4 Nano (batch) better than Poolside: Laguna S 2.1 (free)?
OpenAI: GPT-5.4 Nano (batch) and Poolside: Laguna S 2.1 (free) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between OpenAI: GPT-5.4 Nano (batch) and Poolside: Laguna S 2.1 (free)?
Input: $0.10 vs $0.00 per 1M tokens. Output: $0.63 vs $0.00 per 1M tokens.
What context windows do OpenAI: GPT-5.4 Nano (batch) and Poolside: Laguna S 2.1 (free) support?
OpenAI: GPT-5.4 Nano (batch) supports up to 400K tokens. Poolside: Laguna S 2.1 (free) supports up to 262K tokens.
Do both OpenAI: GPT-5.4 Nano (batch) and Poolside: Laguna S 2.1 (free) support tool calling?
OpenAI: GPT-5.4 Nano (batch): yes. Poolside: Laguna S 2.1 (free): yes.
Compare OpenAI: GPT-5.4 Nano (batch) with other models
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