GPT-5 vs Claude Opus 4.8
Compare GPT-5 and Claude Opus 4.8 side-by-side. See comparisons of price, response speed, accuracy, and file support to choose the best model for your task.
Overview
GPT-5 vs Claude Opus 4.8 Overview
Everything you need to know about these AI models, including capabilities, performance, pricing, and technical details.
OpenAI / GPT-5
maxDescription
OpenAI's earlier frontier model, still capable across coding, reasoning, and agentic work. GPT-5 costs substantially less than OpenAI's newest models and handles a large context window. The catch is age: its knowledge is dated, and OpenAI now labels it a previous-generation model. Worth picking when the task is general, the budget matters, and recency does not.
Anthropic / Claude Opus 4.8
maxDescription
Anthropic's flagship is built for work that other models get wrong. Opus 4.8 takes on the hardest coding, the deepest analysis, and writing that has to be right first time. It reads images and documents, holds a very large amount of context at once, and works through problems step by step so you can follow its logic. Slower and more expensive than lighter models, by design.
About
About
Capabilities
Capabilities
Comparison
Why Use GPT-5 and Claude Opus 4.8?
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OpenAI / GPT-5
maxBudget Agentic Coding
OpenAI describes GPT-5 as its previous model for coding, reasoning, and agentic tasks across domains. It still writes, debugs, and reviews code across languages, and runs multi-step engineering work at a fraction of frontier pricing.
Adjustable Reasoning Effort
Reasoning effort runs from minimal through low, medium, and high, so you can trade thinking time against cost per request. Reasoning tokens are supported, so the model works through a problem before it answers.
Room For Long Documents
A large context window, roughly 300,000 words. Enough for long reports, large contracts, and substantial codebases in a single session, though short of the newer frontier models.
Long Outputs At Lower Cost
Produces long responses at a fraction of the price of OpenAI's newest models. Good value on long-form generation where the reasoning demand is modest rather than at the frontier.
Analysis On Older Knowledge
Its training data is dated by current standards, so it is fine for processing text you supply but weaker on recent events, which need live sources rather than the model's own knowledge.
Text And Image Input
Reads text and images in the same prompt, so you can send screenshots, diagrams, charts, or scanned pages alongside your question. Output is text only. OpenAI's documentation does not list audio or video input.
Anthropic / Claude Opus 4.8
maxCoding Assistance
Best-in-class. Handles large refactors, subtle bugs, and unfamiliar codebases. Built for the code that defeats lighter models, not routine changes.
Reasoning & Problem Solving
Best-in-class. Works through multi-step problems in the open, showing its reasoning as it goes. Strongest where the answer is not obvious.
Document & File Understanding
Best-in-class. A one-million-token context window, roughly 750,000 words. Load a full contract set, research folder, or codebase and ask questions across all of it.
Writing & Content Creation
Best-in-class. Professional output that needs editing rather than rewriting. Holds tone and structure across long pieces, up to 128,000 tokens in a single response.
Research & Analysis
Best-in-class. Reads dense, contradictory, or ambiguous material and forms a judgment. The strongest choice when the analysis itself is the hard part.
Multimodal Support
Text and images. Anthropic's documentation lists text and image input for all current Claude models. Audio and video input are not listed. Reads PDFs, spreadsheets, contracts, and code files.
Why Aymo
Why chat with GPT-5 and Claude Opus 4.8 on Aymo AI?
Aymo gives you more than access to GPT-5 and Claude Opus 4.8—it provides a complete multi-model AI workspace designed for productivity.
Compare Responses
See how GPT-5 and Claude Opus 4.8 performs alongside Claude, Gemini, Grok, and other leading AI models.
One Workspace
Keep all your AI conversations, files, and prompts in a single organized workspace.
Switch Models Instantly
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Upload Once
Use the same files across multiple AI models without uploading them again.
Save & Organize
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Work Together
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