AI Rankings

OpenAI

GPT-5.6 Terra

Balanced everyday member of the GPT-5.6 family, tuned for cost-aware agents.

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Our editorial assessment, based on the public sources listed below. Last reviewed .

Overall rank
#19
Tier
A
Score
84.8
Main category
Chat

Strengths

  • Agents built on the previous generation often perform comparably at lower cost
  • Noticeably more token-efficient than the prior flagship on long tasks
  • Shares the GPT-5.6 family tooling and agent features

Considerations

  • Sol remains the stronger choice for the hardest long-horizon problems
  • Launched very recently, so independent evaluations are limited
  • Pricing sits above the cost-optimised Luna tier

Price

API $2 input / $12 output per 1M tokens ($0.20 cached input)

Shown for reference — price is not part of the score.

Score breakdown

Performance
84.0
55% of score
Reputation
88.0
35% of score
Recency
78.0
10% of score

The overall score combines these sub-scores using the weights shown. How we score →

Verification status

Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.

Pricing
Benchmark
Reputation
Feature list

Checked against the sources listed below.

Sources

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