Prices / OpenAI

OpenAI: GPT-5.1 (batch)

OpenAI · openai/gpt-5.1:batch

GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...

Input / 1M
$0.625 · ₹59.84$0.625€0.5581£0.472SGD 0.8A$0.8968CA$0.8908¥99CHF 0.5198HK$4.91CN¥4.18 · ₹70.61 with GST
Output / 1M
$5 · ₹478.7$5€4.47£3.78SGD 6.4A$7.17CA$7.13¥792CHF 4.16HK$39.27CN¥33.44 · ₹564.87 with GST
Context
400K
Sample month
$4.88 · ₹466.73$4.88€4.35£3.68SGD 6.24A$6.99CA$6.95¥772CHF 4.05HK$38.29CN¥32.6 · ₹550.74 with GST

Sample workload: 100,000 input tokens and 20,000 output tokens per day for 30 days.

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Questions

What is the OpenAI: GPT-5.1 (batch) API price per 1 million tokens?

OpenAI: GPT-5.1 (batch) is listed at $0.625 input and $5 output per 1 million tokens in this snapshot. INR without GST is ₹59.84 input and ₹478.7 output. With 18% GST those INR amounts are ₹70.61 and ₹564.87.

What would OpenAI: GPT-5.1 (batch) cost for a sample month?

For 100,000 input tokens and 20,000 output tokens per day for 30 days, this snapshot prices OpenAI: GPT-5.1 (batch) at $4.88, ₹466.73 without GST, and ₹550.74 with 18% GST.

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