GPT-5.4 Image 2
[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2. It enables rich multimodal workflows, allowing users to seamlessly move between reasoning, coding, and...
Context window
This model accepts 272K tokens in one request (~204K words of text).
What fits in one request
- FitsShort documentAbout 1,500 words of text
- FitsLong documentAbout 37K words of text
- FitsSmall codebaseAbout 150K words of text
- Won't fitFull novelAbout 375K words of text
Specifications
Context size, pricing, and release info in one place.
- Context window
- 272,000 tokens (272K)
- Max output tokens
- 128,000 tokens (128K)
- Speed tier
- balanced
- Provider
- Openai
- Release date
- Apr 2026
Capabilities
See which features this model supports, such as vision, tools, and streaming.
- Vision
- Accepts image inputs alongside text
- Supported
- Extended thinking
- Shows its chain-of-thought reasoning
- Supported
- Streaming
- Returns tokens as they are generated
- Supported
- Prompt caching
- Reuse repeated prompt prefixes cheaply
- Supported
- Tool use
- Can call external tools and APIs
- Not supported
- Function calling
- Structured function call interface
- Not supported
- Web search
- Can browse the web during a request
- Not supported
- Batch API
- Process many requests asynchronously
- Not supported
Best for
Jump to a guide or ranking that matches each workload.
Compare GPT-5.4 Image 2
Open a side-by-side comparison with one click.
- GPT-5.4 Image 2 vs Amazon Titan Text Express
GPT-5.4 Image 2 has 547% larger context window
- GPT-5.4 Image 2 vs Amazon Titan Text Lite
GPT-5.4 Image 2 has 547% larger context window
- GPT-5.4 Image 2 vs Amazon Titan Text Premier
GPT-5.4 Image 2 has 547% larger context window
- GPT-5.4 Image 2 vs Claude Instant
GPT-5.4 Image 2 has 172% larger context window
- GPT-5.4 Image 2 vs Anthropic Claude
GPT-5.4 Image 2 has 172% larger context window
- GPT-5.4 Image 2 vs Codellama 34b Instruct
GPT-5.4 Image 2 has 6540% larger context window
Frequently asked questions
Short answers about context size and how this model behaves.
More from Openai
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