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OpenAI
GPT-5.4 Pro
Top-tier generalist model with excellent reasoning depth, strong coding reliability, and mature agent tooling support.
Overall score
93
flagshipcodingagentsmultimodal
Context window
400K
Speed
Balanced
Input pricing
$12 / 1M tok
Output pricing
$48 / 1M tok
Score breakdown
Capability97
Use-case fit94
Cost efficiency71
Speed82
Reliability94
Agent readiness97
Ecosystem98
Scores combine benchmark signals, product experience, and editorial weighting. Use them as a practical guide, not an absolute truth claim.
Best for
codingresearchagent-automation
Works with
Codex CLILangGraphMCP serversPlaywright
Modalities
textimagetools
Strengths
- Very strong long-horizon task execution
- Deep ecosystem integration across tools and APIs
Things to watch
- Premium pricing for heavy batch usage
- Fast enough, but not the cheapest latency pick
Best for
Coding copilots & repo execution
Prioritize reliability, diff quality, tool-calling control, and the ability to maintain focus across multi-file edits.
Research synthesis & analyst workflows
Prioritize source grounding, multilingual reading, long-context reasoning, and a retrieval stack that stays inspectable.
Agent automation & operations
Prioritize tool reliability, composability, secret handling, and robust state management across long-running flows.