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GPT-6 Astra vs Pareto

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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GPT-6 Astra
openai/gpt-6-astra
P
Pareto
unbiased/pareto
Provider
OpenAI
Unbiased
Family
Modality
text
text
Context window
1,050,000 tok
262,144 tok
Max output
128,000 tok
32,768 tok
Released
2026-09-10
2026-09-17
License
Open-weight
Open-weight
Input price
$10.00 /1M
$2.50 /1M
Output price
$50.00 /1M
$7.50 /1M
Tools
Streaming
yes
yes
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
GPT-6 Astra
openai/gpt-6-astra
Full spec →

GPT-6 Astra is OpenAI's most capable model, built for complex reasoning, coding, computer use, research, and document creation.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
Pareto
unbiased/pareto
Full spec →

Pareto is Unbiased's blended AI model. It engages multiple language models in parallel for each request, synthesizes one answer, and supports text and vision inputs through a single API response.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

GPT-6 Astra vs Claude Fable 5.1
openai/gpt-6-astra · anthropic/claude-fable-5.1
GPT-6 Astra vs Claude Opus 5
openai/gpt-6-astra · anthropic/claude-opus-5
GPT-6 Astra vs Gemini 3.8 Flash
openai/gpt-6-astra · google/gemini-3.8-flash
GPT-6 Astra vs Glm-5.3
openai/gpt-6-astra · zai-org/glm-5.3
GPT-6 Astra vs Grok 4.6
openai/gpt-6-astra · xai/grok-4.6
GPT-6 Astra vs Qwen3.8 Max
openai/gpt-6-astra · alibaba/qwen3.8-max
GPT-6 Astra vs Kimi K3
openai/gpt-6-astra · moonshot/kimi-k3
GPT-6 Astra vs GPT-5.6 Sol
openai/gpt-6-astra · openai/gpt-5.6-sol
GPT-6 Astra vs Qwen3.6 Plus
openai/gpt-6-astra · alibaba/qwen3.6-plus
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# GPT-6 Astra
client.chat.completions.create(
    model="openai/gpt-6-astra",
    messages=[{"role":"user","content":"hello"}],
)

# Pareto
client.chat.completions.create(
    model="unbiased/pareto",
    messages=[{"role":"user","content":"hello"}],
)
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