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  1. Models
  2. Text
  3. OpenAI

GPT Astra Latest

Compatibility alias that routes to GPT 6 Astra, the latest supported GPT Astra model.

  • Reasoning
  • Vision
  • Native PDF input
  • Tool Calling
  • Structured Output

Added Sep 11, 2026

Pricing

Auto routing · per 1M tokens
Input
$10.00
Output
$50.00
Cache read
$1.00
Compare provider prices

Specifications

Context window
1.1M
Max output
128K
Avg output (7d)
1K tokens
Longer than 70% of models

Benchmarks

Sourced from Vectara.

Hallucination Rate

8.7%

Hallucination Rate: 8.7
Better than 59% of models compared

Factual Consistency

91.3%

Factual Consistency: 91.3
Better than 59% of models compared

Answer Rate

100.0%

Answer Rate: 100.0
Better than 91% of models compared

Avg Summary Length

Average generated summary length

148.5

Last updated 2026-10-22 · Matched as openai/gpt-6-astra

Vectara Leaderboard

Providers

Auto routing is available for this model. Explicit provider selection is not available.

Cache write /M
Auto
Auto
Recommended
$10.00$50.00$1.00$12.50N/AN/A
>272k$20.00$75.00$2.00$25.00
Batch API
ProviderInputOutputCached inputCache write
OpenAI
OpenAIgpt-astra-latest
$5.00/M$25.00/M$0.50/M$6.25/M
>272k$10.00/M$37.50/M$1.00/M$12.50/M

Reliability

Related text models

Compare GPT Astra Latest with similar models from the same provider or model family.

GPT 6 Astra Pro

openai/gpt-6-astra-pro

GPT 6 Astra in Pro reasoning mode. Uses additional model work for difficult tasks, with higher latency and token usage at the same per-token rates. Reasoning effort remains independently configurable.

GPT 6 Astra

openai/gpt-6-astra

OpenAI's most capable model for the hardest end-to-end work, with state-of-the-art performance in computer use, browsing, software engineering, science, and professional tasks. Astra is designed to carry long, multistep workflows across code, browsers, and professional software through to a finished result.

GPT 6.1 Terra Pro

openai/gpt-6.1-terra-pro

GPT-6.1 Terra Pro uses the same underlying model as GPT-6.1 Terra with Pro reasoning mode enabled for higher-quality responses on complex tasks.

GPT 6.1 Terra

openai/gpt-6.1-terra

GPT-6.1 Terra is a fast, efficient model for everyday work, with strong visual reasoning, clearer writing, and capable coding at half GPT-6.1 Sol’s standard token prices. It supports text and image input, tool calling, structured outputs, and optional reasoning from none through max.

GPT 6.1 Sol

openai/gpt-6.1-sol

GPT-6.1 Sol delivers near-Astra performance at a lower cost for complex coding, computer use, and professional work. It supports text and image input, tool calling, structured outputs, and reasoning from low through max.

GPT 6.1 Sol Pro

openai/gpt-6.1-sol-pro

GPT-6.1 Sol Pro uses the same underlying model as GPT-6.1 Sol with Pro reasoning mode enabled for higher-quality responses on complex tasks.