GPT-5
VerifiedMultimodal model with 400k-token context for complex inputs.
About GPT-5
GPT-5 was developed by OpenAI as a closed-weight multimodal architecture. It accepts text, image, and file inputs within a single 400000-token context window. The design emphasizes unified handling of diverse data types without public parameter details.
Its primary strengths lie in maintaining coherence across lengthy multimodal sequences. The system processes extended documents alongside visual and file-based content in one session. This enables consistent analysis without external chunking or summarization steps.
Typical usage includes document review that combines textual and visual elements. Users apply it to tasks such as file interpretation, image-augmented reasoning, and sustained multi-turn interactions. The closed nature limits direct modification while providing API access for production workflows.
Capabilities
How GPT-5 compares
GPT-5 (striped bar) vs other multimodal on intelligence, speed and price.
Price
USD per 1M output tokens · Lower is better · GPT-5 ranks #86 of 124
Sources: Artificial Analysis (intelligence, speed) · OpenRouter (price).
Best for
Extended Multimodal Document Review
GPT-5 processes lengthy reports or books alongside embedded images and diagrams within its 400000-token context for unified analysis.
Large-Scale Research Integration
The model handles extensive collections of text, charts, and visuals in one session to synthesize findings across multiple sources.
Complex Visual-Text Workflows
It supports iterative tasks that combine detailed image interpretation with long-running textual reasoning and refinement.
Strengths & limitations
Strengths
- +Very large context window
- +Native multimodal input support
- +Seamless text-image-file integration
Limitations
- –Hypothetical model with unverified performance
- –High resource demands for maximum context
- –Potential latency on large multimodal tasks
Cost calculator
Estimate what GPT-5 would cost for your usage.
Based on GPT-5's $1.25/1M input · $10.00/1M output. Estimate only — actual cost varies by provider and caching.
Quick start
OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. Only the model slug changes between models.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const completion = await client.chat.completions.create({
model: "openai/gpt-5",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(completion.choices[0].message.content);Model slug: openai/gpt-5
Editor's verdict
GPT-5 is OpenAI's proprietary multimodal with a 400K-token context window.
At $10.00 per 1M output tokens, it is premium-priced for its class.
It is available through OpenAI's API and aggregators like OpenRouter.
Best suited to very large context window and native multimodal input support.
Frequently asked questions
OpenAI has not announced pricing details for GPT-5.
User reviews
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