OpenAI: GPT-5.1 (batch)
Analysis Summary
GPT-5.1 is a full OpenAI configuration with text, image, and file input, vision, tool use, and function calling. Its 400K context window supports long-form analysis, codebase assistance, structured content production, and multi-step API workflows. The supplied pricing is moderate for a full-capability model, with output costing more than input.
The configuration could serve as a general agency model across content, coding, and tool-connected tasks. However, this batch variant has no separate benchmark record in the supplied data, so its actual reasoning quality and instruction-following consistency remain unverified. It belongs in a controlled pilot with representative client prompts, followed by cost and error-rate comparison against newer full models.
Assessed August 9, 2026
Editorial notes
GPT-5.1 combines vision, file input, tool use, function calling, and a 400K context window at the same supplied price as GPT-5. This batch variant has no separate benchmark record, so workflow reliability requires validation.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
GPT-5.1 combines vision, file input, tool use, function calling, and a 400K context window at the same supplied price as GPT-5. This batch variant has no separate benchmark record, so workflow reliability requires validation.
How OpenAI: GPT-5.1 (batch) compares
Its 400K-token context window is larger than 78% of the models we list. At $0.63 per million input tokens it is cheaper than 34% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on value. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.63 | $0.000625 |
| Output | $5.00 | $0.005000 |
What would OpenAI: GPT-5.1 (batch) cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 688 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save OpenAI: GPT-5.1 (batch) for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout 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..
Frequently asked questions about OpenAI: GPT-5.1 (batch)
How much does OpenAI: GPT-5.1 (batch) cost?
OpenAI: GPT-5.1 (batch) costs $0.63 per million input tokens and $5.00 per million output tokens.
What is the context window of OpenAI: GPT-5.1 (batch)?
OpenAI: GPT-5.1 (batch) has a context window of 400,000 tokens (400K).
What can OpenAI: GPT-5.1 (batch) do?
OpenAI: GPT-5.1 (batch) supports image/vision input, tool use, and function calling.
Who created OpenAI: GPT-5.1 (batch)?
OpenAI: GPT-5.1 (batch) is developed by OpenAI and was released on November 13, 2025.
