OpenAI: GPT-5 Chat
Analysis Summary
GPT-5 Chat is an OpenAI model listing with image and file input and a 128K context window. The supplied record contains no benchmark results, pricing is listed at $1.25 per million input tokens and $10 per million output tokens, and no tool-use or function-calling capability is specified. That leaves its reasoning, coding, instruction following, and agentic reliability unverified in the available data.
Vision and file input could make it useful for basic document or image-based requests, but the absence of measured performance makes it difficult to recommend for client-facing content or workflow automation without hands-on testing. The listing also does not establish whether it can execute tool-driven tasks.
Treat it as an unvalidated option rather than a production default. Run a small evaluation against the intended content and document workloads before routing client traffic to it.
Assessed September 23, 2026
Editorial notes
GPT-5 Chat lists vision, file input, and a 128K context window, but the supplied record has no benchmark results or stated tool-calling support.
The DFO score ranks models on the Artificial Analysis Intelligence Index and is refreshed as new models launch. The write-up and verdict are our own. Feedback?
DFO Verdict
GPT-5 Chat lists vision, file input, and a 128K context window, but the supplied record has no benchmark results or stated tool-calling support.
How OpenAI: GPT-5 Chat compares
Its 128K-token context window is larger than 37% of the models we list. At $1.25 per million input tokens it is cheaper than 21% 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.
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $1.25 | $0.001250 |
| Output | $10.00 | $0.010000 |
What would OpenAI: GPT-5 Chat cost your business?
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A website chatbot handling around 100 customer conversations a day, a few short messages each.
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These numbers get smaller with the right architecture.
We route routine calls to cheap models and save OpenAI: GPT-5 Chat for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout OpenAI: GPT-5 Chat
GPT-5 Chat is designed for advanced, natural, multimodal, and context-aware conversations for enterprise applications.
Frequently asked questions about OpenAI: GPT-5 Chat
How much does OpenAI: GPT-5 Chat cost?
OpenAI: GPT-5 Chat costs $1.25 per million input tokens and $10.00 per million output tokens.
What is the context window of OpenAI: GPT-5 Chat?
OpenAI: GPT-5 Chat has a context window of 128,000 tokens (128K).
What can OpenAI: GPT-5 Chat do?
OpenAI: GPT-5 Chat supports image/vision input.
Who created OpenAI: GPT-5 Chat?
OpenAI: GPT-5 Chat is developed by OpenAI and was released on August 7, 2025.