GPT-4o (2024-11-20)
FrontierVisionToolsOpenAI · Released November 2024 · Knowledge cutoff October 2023
The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability. It’s also better at working with uploaded...
It is part of OpenAI's GPT family, where Sol, Luna and Terra mark the current generation's capability tiers and Pro servings trade speed for deeper computation.
Facts and pricing
- Provider
- OpenAI
- Context window
- 128K tokens
- Input price
- 27.5 credits / 1M tokens ($2.50 raw)
- Output price
- 110 credits / 1M tokens ($10.00 raw)
- Vision (image input)
- Yes
- Tool calling
- Yes
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.
Try GPT-4o (2024-11-20) now
What GPT-4o (2024-11-20) is best for
- Hard problems where answer quality matters more than cost: strategy, analysis, difficult writing
- Working with images: screenshots, charts, photos and scanned documents alongside text
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Example prompts
Prompts that suit a frontier model like GPT-4o (2024-11-20):
- Review this business plan and give me the three hardest questions an investor would ask
- Rewrite this announcement so it lands with both engineers and executives
- I am choosing between two job offers, help me think through the tradeoffs
- Draft a technical design doc for a rate limiter, including failure modes
OpenAI family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| GPT-5.6 Luna Pro | 1.1M | 11.0 | 66.0 | July 2026 |
| GPT-5.6 Luna | 1.1M | 11.0 | 66.0 | July 2026 |
| GPT-5.6 Terra Pro | 1.1M | 27.5 | 165 | July 2026 |
| GPT-5.6 Terra | 1.1M | 27.5 | 165 | July 2026 |
| GPT-5.6 Sol Pro | 1.1M | 55.0 | 330 | July 2026 |
| GPT-5.6 Sol | 1.1M | 55.0 | 330 | July 2026 |
| GPT Chat Latest | 400K | 55.0 | 330 | May 2026 |
| GPT-5.5 Pro | 1.1M | 330 | 1980 | April 2026 |
| GPT-5.5 | 1.1M | 55.0 | 330 | April 2026 |
| GPT-5.4 Image 2 | 272K | 88.0 | 165 | April 2026 |
Frequently asked questions
- What is GPT-4o (2024-11-20)?
- GPT-4o (2024-11-20) is an AI model by OpenAI. The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability. It’s also better at working with uploaded...
- How much does GPT-4o (2024-11-20) cost on Zeplik?
- Input tokens cost 27.5 credits per million and output tokens 110 credits per million (1 credit = $0.10; the raw provider rates are $2.50 and $10.00 per million). New accounts start with free credits.
- How long can a conversation with GPT-4o (2024-11-20) be?
- GPT-4o (2024-11-20) has a 128K-token context window (128,000 tokens), which covers the conversation plus any documents you attach.
- Does GPT-4o (2024-11-20) support images and tools?
- GPT-4o (2024-11-20) accepts image input and supports tool calling.
Related models
GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
GPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
GPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...