Quick Answer

  • Supports Chat Completions for low-friction SDK migration.
  • Supports streaming and tool-calling for agent workflows.
  • Stabilize system/messages parameters before production rollout.

Key Parameters

  • model | string | required | gpt-6-astra | - | Exact model identifier from ToAPIs.
  • messages | object[] | required | - | - | Conversation messages in chronological order.
  • max_tokens | integer | required | - | >=1 | Maximum output tokens.
  • stream | boolean | optional | false | - | Enable SSE streaming output.
  • tools | object[] | optional | - | - | Tool/function definitions for tool-calling.

Common Errors

  • 400 invalid_request_error: trigger=Missing fields or invalid payload types.; fix=Validate model/messages/max_tokens schema.; retry=Retry only after payload fix.
  • 401 authentication_error: trigger=Missing or invalid API key.; fix=Verify Authorization header and key scope.; retry=Retry after authentication fix.

gpt-6-astra

gpt-6-astra by OpenAI is designed for chat, reasoning, and tool-calling workflows with ToAPIs-aligned integration contracts.

Model Type:
Pricing: Input 400 credits/1M, Output 2,000 credits/1M
Type a message to test the model.

Transparent pricing

gpt-6-astra pricing

Text usage is billed by actual token consumption. Final billing follows the current account quote.

Top up credits
Input 400 credits/1M, Output 2,000 credits/1M

Why ToAPIs

Why call gpt-6-astra through ToAPIs?

Keep model access, API keys, billing, and usage management in one workflow.

Chat and reasoning

Supports multi-turn context and structured outputs.

Streaming output

SSE token streaming for real-time UX.

Tool calling

Compose retrieval/execution workflows with tools.

Connect in three steps

Create a key, send a compatible chat request, and monitor usage.

  1. 1

    Step 1

    Set Authorization: Bearer <YOUR_API_KEY>.

  2. 2

    Step 2

    Call chat endpoint with model, messages, and max_tokens.

  3. 3

    Step 3

    Enable stream or tools when needed.

When to use gpt-6-astra

Use case 1

When building coding/Q&A assistants and task agents.

Use case 2

When streaming and tool-calling are required.

FAQ

gpt-6-astra FAQ

What is gpt-6-astra best for?

Best for chat, reasoning, coding, and tool-calling assistant workflows.

gpt-6-astra API

Start building with gpt-6-astra

Test a request here, then continue in the dashboard or API documentation.

Try gpt-6-astra with one ToAPIs key.

Use the same account and API surface across supported text models.

Sign up to get free credits