GPT-5.4 Mini vs Claude Opus 5
Compare GPT-5.4 Mini and Claude Opus 5 side-by-side. See comparisons of price, response speed, accuracy, and file support to choose the best model for your task.
Overview
GPT-5.4 Mini vs Claude Opus 5 Overview
Everything you need to know about these AI models, including capabilities, performance, pricing, and technical details.
OpenAI / GPT-5.4 Mini
proDescription
OpenAI's more affordable mid-tier model, built to balance capability and cost at scale. GPT-5.4 Mini handles chat, coding assistants, and agent workflows with reliable instruction following and solid multi-step reasoning. It reads text and images across a large context window, and supports web search and function calling. A practical production choice when you want current GPT quality without the flagship price.
Anthropic / Claude Opus 5
maxDescription
Anthropic's newest Opus model, and the successor to Opus 4.8. Opus 5 reaches near-frontier intelligence at the same price as the model it replaces, and lets you set how hard it works per task. It reasons before answering by default, checks its own output, and reads text and images across a very large context. Built for long-horizon coding and agentic work that runs with little supervision.
About
About
Capabilities
Capabilities
Comparison
Why Use GPT-5.4 Mini and Claude Opus 5?
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OpenAI / GPT-5.4 Mini
proCoding Assistants At Scale
OpenAI positions it for coding assistants and agent workflows that run at volume. Handles routine generation, review, and multi-step engineering tasks reliably, with the cost profile to run them frequently.
Multi-Step Reasoning
Delivers dependable instruction following and multi-step reasoning with adjustable effort. Aimed at consistent performance across diverse tasks rather than the deepest reasoning of the frontier models.
Room For Large Codebases
A large context window, enough for extensive documents and substantial codebases in a single session. Ample for most production work without splitting the input into separate requests.
Everyday Professional Writing
Handles emails, documentation, reports, and general content reliably. Built for clear, correct output at scale rather than the polished long-form writing of the top-tier models.
Live Web Search Support
Supports web search as a tool, so it can ground answers in live sources rather than working only from training data. Useful when a task depends on current information.
Text And Image Input
Reads text and images, so you can send screenshots, charts, or scanned pages alongside your prompt. Output is text only. Audio and video are not supported.
Anthropic / Claude Opus 5
maxSelf-Verifying Coding
Anthropic's strongest coding model. It produces code with minimal oversight, then checks its own work, catching and fixing its own mistakes before handing the result back rather than waiting to be corrected.
Effort You Set
A per-task effort dial from low to high. Low returns faster and cheaper on simple work; high lets the model reason as long as a hard problem needs. Thinking is on by default.
Consistent Full-Window Context
A very large context window with no smaller default. Anthropic states instruction following, tool calling, and reasoning stay consistent across the whole window, which matters for large codebases and long agent runs.
Enterprise Knowledge Work
Built for high-stakes enterprise and knowledge work. Suited to tasks where the output has to be right the first time rather than merely drafted, alongside its coding and agentic strengths.
Long-Horizon Agentic Work
Carries multi-step tasks through to completion with limited supervision, filling gaps in incomplete instructions, testing as it goes, and recovering from its own errors without a nudge.
Text And Image Input
Reads text and images in the same prompt, so you can send screenshots, diagrams, or scanned pages alongside your question. Output is text only. Audio and video are not accepted.
Why Aymo
Why chat with GPT-5.4 Mini and Claude Opus 5 on Aymo AI?
Aymo gives you more than access to GPT-5.4 Mini and Claude Opus 5—it provides a complete multi-model AI workspace designed for productivity.
Compare Responses
See how GPT-5.4 Mini and Claude Opus 5 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
Move between different AI models without restarting your conversation.
Upload Once
Use the same files across multiple AI models without uploading them again.
Save & Organize
Bookmark important chats, organize projects, and return anytime.
Work Together
Share conversations and collaborate with teammates in one place.