Question 1

What is GPT-5.4 Nano (batch)?

Accepted Answer

GPT-5.4 Nano (batch) is a model from OpenAI, released on Aug 6, 2026. 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...

Question 2

How much does GPT-5.4 Nano (batch) cost?

Accepted Answer

On the Respan gateway, input starts at $0.10 per 1M tokens on OpenRouter, and output starts at $0.63 per 1M tokens on OpenRouter, after gateway discounts.

Question 3

Which providers serve GPT-5.4 Nano (batch) on Respan?

Accepted Answer

GPT-5.4 Nano (batch) is served by OpenRouter.

Question 4

What is GPT-5.4 Nano (batch)'s context window?

Accepted Answer

GPT-5.4 Nano (batch) accepts up to 400K tokens of context.

Question 5

How do I use GPT-5.4 Nano (batch) with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "gpt-5.4-nano:batch". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

Where does GPT-5.4 Nano (batch) rank on the Respan Index?

Accepted Answer

GPT-5.4 Nano (batch) scores 20.5 out of 100 on the Respan Index v1.1, ranking #93 of 138 models. By category: Coding 9.5, Agents 17.8, Reasoning 22.7, Knowledge & language 13.0, and Human preference 44.6. The Respan Index combines independent and lab-reported benchmark results into one score, using benchmark data collected by llmmetric.com.

Question 7

How does GPT-5.4 Nano (batch) score on benchmarks?

Accepted Answer

GPT-5.4 Nano (batch) has 26 published benchmark scores, including LiveBench Coding 70.8%, LiveBench Agentic Coding 46.8%, and GPQA Diamond 82.8%. Each score links to where it was published; the data is collected by llmmetric.com.

GPT-5.4 Nano (batch)

Providers

Pricing

Cost by volume

Benchmarks

Certified where it counts.

Respan Indexv1.1

Coding4

Agents3

Reasoning6

Math6

Knowledge4

Arena2

Other1

Apps

GPT-5.4 Nano (batch) FAQ

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