OpenAI · Released May 13, 2024GPT-4o
Omni-era GPT for multimodal chat, practical coding, and general assistants.
- Capability
- 129.0ECI · #129 of 148
- Input
- $2.50per 1M tokens
- Output
- $10.00per 1M tokens
- Context
- 128K16K max output
What it costs
- Input
- $2.50per million tokens
- Output
- $10.00per million tokens
- Cached input
- $1.25per million tokens
- Blended (3:1)
- $4.38pricier than 84% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $10.00 |
| Team assistant25M input + 5M output tokens | $112.50 |
| Production app250M input + 50M output tokens | $1,125 |
Official OpenAI API price, as listed on models.dev.
Independent benchmarks
#129 of 148 scored models
The shaded band is Epoch AI’s confidence range (124.2–131.5); the tick marks the median scored model.
Scores from Epoch AI, run independently of OpenAI.
The details
- Lab
- OpenAI
- Released
- May 13, 2024
- Knowledge cutoff
- Sep 2023
- Context window
- 128,000 tokens
- Max output
- 16,384 tokens
- Inputs
- Text, Images, PDFs
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Proprietary
- API model ID
gpt-4oon OpenAI- Availability
- 19 API providerslisted on models.dev
What OpenAI claims
Published by the lab at launch. Settings vary, so compare these only with care.
| Benchmark | Score | Setting | Source |
|---|---|---|---|
| Aider Polyglot | 23.1 percent correct | — | Source |
More from OpenAI
About GPT-4o
How much does GPT-4o cost?
GPT-4o costs $2.50 input / $10.00 output per million tokens (official OpenAI API price). Cached input is $1.25 per million tokens. At a 3:1 input-to-output mix that is $4.38 per million tokens, more expensive than 84% of the 360 priced models we track.
What is the context window of GPT-4o?
GPT-4o accepts up to 128,000 tokens per request and can write up to 16,384 tokens in one response.
How good is GPT-4o?
Epoch AI gives GPT-4o a Capabilities Index score of 129.0 (likely range 124.2–131.5), ranking it #129 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 48.9%, OTIS Mock AIME 2024–2025 6.3%.
Is GPT-4o open source?
No. GPT-4o is proprietary; you use it through OpenAI’s API or partner platforms.
What inputs does GPT-4o support?
GPT-4o accepts text, images and PDFs and replies in text. It is not a dedicated reasoning model, supports tool calling and can return structured JSON output.
When was GPT-4o released?
OpenAI released GPT-4o on May 13, 2024. Its training data runs to Sep 2023.
What are the best alternatives to GPT-4o?
The closest current models from other labs on capability, price and release date are Qwen2.5 72B Instruct (Alibaba (Qwen), ECI 129.0, $1.40 / $5.60), Mistral Large 2.1 (Mistral AI, ECI 128.5, $2.00 / $6.00), Claude Sonnet 3.5 v2 (Anthropic, ECI 133.5, $3.00 / $15.00) and Llama-3.1-70B-Instruct (Meta, ECI 125.9, $0.72 / $0.72).