Model Comparison

Gemini 3.1 Pro Preview
vs. GPT-6 Astra (max)

Comparing 2 AI models · 0 benchmarks · Google, OpenAI

Recommended Pick

Google logoGemini 3.1 Pro Preview7 metric wins

Strongest on: Value, Input price, Output price

Best Value

Google logo

Gemini 3.1 Pro Preview

100.0 value score

30.4 reasoning / $4.50/1M

Lowest Price

Google logo

Gemini 3.1 Pro Preview

$2.00/1M input price

Best Reasoning

OpenAI logo

GPT-6 Astra (max)

52.8 reasoning score

Blends available reasoning benchmarks

Best for Coding

OpenAI logo

GPT-6 Astra (max)

76.9 coding index

Differences That Matter

Best value

Gemini 3.1 Pro Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Gemini 3.1 Pro Preview is 5.0x cheaper on input tokens than GPT-6 Astra (max).

Speed gap

Gemini 3.1 Pro Preview generates about 2.1x as many tokens per second as GPT-6 Astra (max).

Reasoning gap

GPT-6 Astra (max) leads Gemini 3.1 Pro Preview by 22.4 points on reasoning.

Coding gap

GPT-6 Astra (max) leads Gemini 3.1 Pro Preview by 8.1 points on coding.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

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Google logo

Gemini 3.1 Pro Preview

Google

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TTFT

Time

tok/s

Tokens

Cost

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OpenAI logo

GPT-6 Astra (max)

OpenAI

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TTFT

Time

tok/s

Tokens

Cost

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Full Comparison

Metric
Top Pick
Google logoGemini 3.1 Pro Preview
Google
OpenAI logoGPT-6 Astra (max)
OpenAI
Pricing per 1M tokens
Input Cost$2.00/1M$10.00/1M
Output Cost$12.00/1M$50.00/1M
Blended (3:1)$4.50/1M$20.00/1M
Specifications
OrganizationGoogleOpenAI
Release DateFeb 19, 2026Sep 3, 2026
Performance & Speed
Throughput118.4 tok/s56.5 tok/s
TTFT27250ms322480ms
Latency27250ms322480ms
Composite Indices
Value Score100.039.1
Reasoning Score30.452.8
Intelligence30.452.8
Coding68.876.9

Key Takeaways

Gemini 3.1 Pro Preview offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.

GPT-6 Astra (max) has the strongest reasoning profile with a 52.8 reasoning score,combining the available reasoning-heavy benchmarks.

GPT-6 Astra (max) reaches a 76.9 coding index,making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

Google logo

Gemini 3.1 Pro Preview

  • Cost-sensitive applications
  • High-volume processing
OpenAI logo

GPT-6 Astra (max)

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development