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OpenAI · 2026-03-17

GPT-5.4 Nano pricing

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.

Prices from OpenRouter’s models API, updated October 29, 2026

Input$0.20per 1M tokens
Output$1.25per 1M tokens
Cached input$0.0290% off input
Context400Kvision · tools · reasoning

What GPT-5.4 Nano costs a month

WorkloadStandardBatch API
Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out$24.00$12.00
Daily summaries: 10,000 a day, 3,000 tokens in, 300 out$293$146
Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out$70.32$40.92

30 days. Cached input billed at the cache-read price. Use your own numbers.

Cheaper models with a similar context window

ModelProviderInput /1MOutput /1MCache read /1MContextChatbot, per month*
GLM 5.3 FlashZ.ai$0.046$0.074$0.031.05M$2.95
Qwen3.7 FlashAlibaba Qwen$0.03$0.13$0.0061M$2.91
Ling 3.0 Flash VLinclusionai$0.06$0.18$0.012131K$4.86
Ternary Bonsai 2 9Bprism-ml$0.08$0.13$0.04262K$5.16
Qwen3.5-FlashAlibaba Qwen$0.065$0.26–1M$6.04

* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.

Cheaper isn’t automatically as good. Glow’s GlowBench scores models on your kind of task before suggesting a swap.

Other GPT models

ModelInput /1MOutput /1MCache read /1MContextChatbot, per month*
GPT-6.1 Terra$1$5$0.051.05M$105
GPT-6.1 Terra Pro$1$5$0.051.05M$105
GPT-6.1 Sol$2$10$0.101.05M$210
GPT-6.1 Sol Pro$2$10$0.101.05M$210
GPT-6 Luna$0.10$0.50$0.011.05M$10.50
GPT-6 Luna Pro$0.10$0.50$0.011.05M$10.50

* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.

Related

GPT-5.4 Nano: questions

How much does GPT-5.4 Nano cost?

$0.20 per 1M input tokens and $1.25 per 1M output tokens, with cached input at $0.02, or $0.10 / $0.625 through the batch API. A 1,000-token prompt with a 500-token answer costs about $0.0008.

What is GPT-5.4 Nano’s context window?

400,000 tokens, with up to 128,000 output tokens per response.

Is there a cheaper alternative to GPT-5.4 Nano?

GLM 5.3 Flash costs $0.046 in and $0.074 out per 1M tokens with a similar context window. Whether it matches GPT-5.4 Nano’s quality depends on the task: test it on your own prompts (Glow’s GlowBench does this per task).

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