gpt-5.3-codex-spark

gpt-5.3-codex-spark (OpenAI) — 128K context, Coding tier. Input price: $1.47/M · Output price: $11.76/M · Avg latency 24ms. Routed via Routara OpenAI-compatible endpoint with multi-region failover and metered billing.

Input price: $1.47/M · Output price: $11.76/M · TTFT: 24ms

Specifications

  • Developer: OpenAI
  • Category: Coding
  • Context window: 128K
  • Input price: $1.47 / 1M
  • Output price: $11.76 / 1M
  • Avg latency: 24 ms
  • SLA grade: A

Typical use cases

  • Code generation, review, and test synthesis
  • RAG pipelines with tool calling
  • Multi-step reasoning and agent workflows

FAQ

  • How is gpt-5.3-codex-spark priced on Routara? — Input tokens are billed at $1.47/M and output at $11.76/M. Charges are metered per request with no separate platform fee.
  • Is gpt-5.3-codex-spark OpenAI-compatible? — Yes. Point any OpenAI SDK to https://api.routara.ai/v1 and set model to the Routara slug shown below.
  • Does gpt-5.3-codex-spark support streaming? — Streaming is supported when the upstream route is live. Use stream: true in chat.completions.

Related models

Quick integration

  • curl https://api.routara.ai/v1/chat/completions \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"model":"gpt-5.3-codex-spark","messages":[{"role":"user","content":"Hello"}],"stream":true}'