GPT-4o
openai/gpt-4oGPT-4o ("o" for "omni") is OpenAI's versatile, high-intelligence GPT model released in May 2024, accepting text and image input and producing text output, including Structured Outputs. OpenAI describes it as fast and flexible, suited to general-purpose chat, image understanding, function calling and non-English language tasks. This entry tracks OpenAI's default GPT-4o alias; use one of the dated GPT-4o snapshots when a workload needs fixed behavior.
- Input price
- $2.50USD / 1M tokens
- Output price
- $10.00USD / 1M tokens
- Context window
- 128K
- Max output
- 16.4K
Try the model
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Model card
Specifications
Pricing
- Input
- $2.50 / 1M tokens
- Output
- $10 / 1M tokens
- Cache read
- $1.25 / 1M tokens
Context & modalities
- Context window
- 128,000 tokens
- Max output
- 16,384 tokens
- Input
- Text, image
- Output
- Text
Capabilities
- Chat
- Supported
- Vision
- Supported
- Reasoning
- Not supported
- Structured output
- Supported
- Function calling
- Supported
- Audio input
- Not supported
Access
- Provider
- OpenAI
- Model ID
- openai/gpt-4o
- Execution
- sync
- Base URL
- https://api.sandbase.ai
- API
- Responses API
- Endpoint
- /v1/responses
- API
- Chat Completions API
- Endpoint
- /v1/chat/completions
Independent evaluations
Benchmarks
Scores on standardized evaluations, compared with other models on SandBase.
Metrics sourced from Artificial Analysis · Intelligence Index v4.3
Start building
Send your first request
Choose either supported API with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/responses" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "openai/gpt-4o",
"input": "Hello",
"max_output_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Choose your model
Compare models
| Model | Context | Input / 1M | Output / 1M | Released |
|---|---|---|---|---|
GPT-4oThis model OpenAI | 125K | $2.50 | $10.00 | May 13, 2024 |
OpenAI | 1.1M | $2.00 | $10.00 | Sep 29, 2026 |
OpenAI | 1.1M | $2.00 | $10.00 | Sep 29, 2026 |
OpenAI | 1.1M | $0.10 | $0.50 | Sep 22, 2026 |
OpenAI | 1.1M | $0.10 | $0.50 | Sep 22, 2026 |
OpenAI | 1.1M | $2.00 | $10.00 | Sep 22, 2026 |
Questions
FAQ
How do I call OpenAI GPT-4o through SandBase?
Create a SandBase API key, then send requests with the model ID "openai/gpt-4o" to Responses API (/v1/responses) or Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does OpenAI GPT-4o cost?
$2.50 per 1M input tokens and $10 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.
What is the context window of OpenAI GPT-4o?
128K tokens of context, with up to 16.4K output tokens per response.
How does OpenAI GPT-4o score on benchmarks?
OpenAI GPT-4o scores 7.7 on the Artificial Analysis Intelligence Index (v4.3), ranking #83 of 87 models on SandBase. Source: Artificial Analysis, measured as GPT-4o (Aug '24).
Which features does OpenAI GPT-4o support?
OpenAI GPT-4o supports vision (image input), function calling, structured output. See Specifications above for the full list.
Do I need a separate OpenAI account?
No. One SandBase API key and balance gives you access to OpenAI GPT-4o and the other models in the catalog; you do not need to sign up with OpenAI separately.