Home › Providers › openai › OpenAI: GPT-5.1 (batch)
OpenAI: GPT-5.1 (batch) API Pricing
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...
How much does OpenAI: GPT-5.1 (batch) cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: GPT-5.1 (batch) costs about $16.25 ($6.25 input + $10 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to OpenAI: GPT-5.1 (batch)?
- Mistral: Mistral Large 4 — $1.36 in / $4.18 out per 1M
- Meta: Muse Spark Open — $1.25 in / $4.25 out per 1M
- Meta: Muse Spark 1.3 — $1.25 in / $4.25 out per 1M
- Meta: Muse Spark 1.2 — $1.25 in / $4.25 out per 1M
- Meta: Muse Spark 1.1 — $1.25 in / $4.25 out per 1M
- OpenAI: o4 Mini High — $1.1 in / $4.4 out per 1M
Where to run OpenAI: GPT-5.1 (batch)
AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.
Run it on AI/ML API →Run it on Novita AI →
Disclosure: links to these platforms may be affiliate links — if you sign up or buy through them, LLMPrices may earn a commission at no extra cost to you.
Compare OpenAI: GPT-5.1 (batch) with other models
OpenAI: GPT-5.1 (batch) vs OpenAI: gpt-oss-20bOpenAI: GPT-5.1 (batch) vs OpenAI: gpt-oss-20b (batch)OpenAI: GPT-5.1 (batch) vs OpenAI: gpt-oss-120b (batch)OpenAI: GPT-5.1 (batch) vs OpenAI: GPT-5 Nano (batch)OpenAI: GPT-5.1 (batch) vs OpenAI: GPT-4.1 Nano (batch)OpenAI: GPT-5.1 (batch) vs OpenAI: GPT-6 Luna Pro (batch)
Frequently asked questions
How much does OpenAI: GPT-5.1 (batch) cost?
OpenAI: GPT-5.1 (batch) costs $0.625 per 1M input tokens and $5 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $16.25.
What is the context window of OpenAI: GPT-5.1 (batch)?
OpenAI: GPT-5.1 (batch) has a context window of 400,000 tokens and can return up to 128,000 output tokens per response.
What are cheaper alternatives to OpenAI: GPT-5.1 (batch)?
Cheaper models include Mistral: Mistral Large 4 ($1.36 in / $4.18 out), Meta: Muse Spark Open ($1.25 in / $4.25 out), Meta: Muse Spark 1.3 ($1.25 in / $4.25 out). See the full list on this page.
Is OpenAI: GPT-5.1 (batch) free to use?
No. OpenAI: GPT-5.1 (batch) is a paid model at $0.625 input / $5 output per 1M tokens. 21 free models are listed on the free models page.
Provider: openai · Model ID: openai/gpt-5.1:batch · Modality: text+image+file->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices