o3

NEW

OpenAI · openai/o3

Available

Most powerful reasoning model from OpenAI. Deep chain-of-thought for research-grade problems, formal proofs and complex agent workflows.

Input / 1M tokens

৳1,200

Output / 1M tokens

৳4,800

Context length

200K

Max output

100K

Placeholder rates. Final pricing is published per model before launch.

Suitable for

Reasoning
Coding
Agents

Example request

cURL

curl https://padmarouter.com/v1/chat/completions \
  -H "Authorization: Bearer $PADMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/o3",
    "messages": [{"role": "user", "content": "Hello from Dhaka!"}]
  }'

Try in Playground Docs for this model

Performance

Throughput36 tok/s

Time to first token5.0s

StreamingSupported

Tool callingSupported

Measured from Dhaka over the last 24h of prototype traffic.

Routing

Primary routeOpenAI direct

FallbackSecondary region

Prompt retentionNot retained