GPT-5.4 Models by OpenAI
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Capabilities
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WebsiteAbout
GPT-5.4 is OpenAI's frontier reasoning model family, designed for complex real-world tasks including spreadsheet editing, frontend code generation, document understanding, image analysis, tool use, and deep web research. Released March 5, 2026, as the successor to GPT-5.2 and GPT-5.3-Codex. The family includes full, mini, nano, and cybersecurity-specialized variants.
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
Use when the workload needs cybersecurity, reasoning, and multimodal inputs.
Use when the workload needs 1.05m context, reasoning, and tool use.
Use when the workload needs 400k context, reasoning, and tool use.
Use when the workload needs 400k context, tool use, and function calling.
Use when the workload needs 1.05m context, reasoning, and tool use.
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| GPT-5.4-Cyber | Use when the workload needs cybersecurity, reasoning, and multimodal inputs. | 2026-04 | cybersecurityreasoningmultimodal inputs | Current |
| GPT-5.4 | Use when the workload needs 1.05m context, reasoning, and tool use. | 2026-03 | 1.05m contextreasoningtool use | Current |
| GPT-5.4 Mini | Use when the workload needs 400k context, reasoning, and tool use. | 2026-03 | 400k contextreasoningtool use | Current |
| GPT-5.4 Nano | Use when the workload needs 400k context, tool use, and function calling. | 2026-03 | 400k contexttool usefunction calling | Current |
| GPT-5.4 Pro | Use when the workload needs 1.05m context, reasoning, and tool use. | 2026-03 | 1.05m contextreasoningtool use | Current |
Release Timeline
3 release groupsReplaced By
Keep for legacy integrations; evaluate GPT-5.3-Codex before new work.
Specifications(6 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | Fn Calling | Tool Use | Structured Outputs | Code Exec |
|---|---|---|---|---|---|---|---|---|---|
| GPT-5.4-Cyber | 2026-04 | — | Yes | Yes | Yes | No | No | No | No |
| GPT-5.4 | 2026-03 | 1.05m | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| GPT-5.4 Mini | 2026-03 | 400k | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| GPT-5.4 Nano | 2026-03 | 400k | Yes | Yes | No | Yes | Yes | Yes | Yes |
| GPT-5.4 Pro | 2026-03 | 1.05m | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Available From(4 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| GPT-5.4 Nano | OpenAI API | $0.2 | $1.25 | Serverless |
| GPT-5.4 Nano | OpenRouter | $0.2 | $1.25 | Serverless |
| GPT-5.4 Nano | Vercel AI Gateway | $0.2 | $1.25 | Serverless |
| GPT-5.4 Mini | OpenAI API | $0.75 | $4.5 | Serverless |
| GPT-5.4 Mini | OpenRouter | $0.75 | $4.5 | Serverless |
| GPT-5.4 Mini | Vercel AI Gateway | $0.75 | $4.5 | Serverless |
| GPT-5.4 | OpenAI API | $2.5 | $15 | Serverless |
| GPT-5.4 | OpenRouter | $2.5 | $15 | Serverless |
| GPT-5.4 | Vercel AI Gateway | $2.5 | $15 | Serverless |
| GPT-5.4 | AWS Bedrock | $2.75 | $16.5 | Serverless |
| GPT-5.4 Pro | OpenRouter | $30 | $180 | Serverless |
| GPT-5.4 Pro | OpenAI API | $30 | $180 | Serverless |
| GPT-5.4 Pro | Vercel AI Gateway | $30 | $180 | Serverless |
Popular comparisons in this family
Comparisons
- Qwen3.6-Max vs GPT-5.4
- Claude Sonnet 5 vs GPT-5.4
- Claude Opus 4.8 vs GPT-5.4
- Claude Opus 4.7 vs GPT-5.4
- Composer 2.5 vs GPT-5.4
- GPT-5.5 vs GPT-5.4
- GPT-5.5 Pro vs GPT-5.4
Frequently Asked Questions
- What is GPT-5.4 used for?
- GPT-5.4 is used for cybersecurity, code, and vision and multimodal work. The family description and listed model capabilities point to those workloads as the best fit.
- How does GPT-5.4 compare to GPT Realtime 2?
- GPT-5.4 by OpenAI is strongest where you need cybersecurity, while GPT Realtime 2 by OpenAI is the closest related family to check for realtime voice. GPT-5.4 has 6 listed variants and reaches up to 1.05m context, while GPT Realtime 2 reaches up to 131k context, so compare the specs and pricing tables before choosing a production model.
- Which GPT-5.4 model should I use?
- For the lowest listed input price, start with GPT-5.4 Nano through OpenAI API at $0.2/1M input tokens. For the most capable/latest local choice, evaluate GPT-5.4 with 1.05m context and reasoning, tool use, function calling, structured outputs, and multimodal inputs.






