How do GPT-5.6 Terra and GPT-5.6 Luna compare on coding benchmarks?

The comparison table shows SWE-bench, SWE-Pro, SWE-Atlas, Terminal-Bench, LiveCodeBench, and coding agent index scores for both GPT-5.6 Terra and GPT-5.6 Luna when publicly disclosed.

LLM Comparison

GPT-5.6 Terra vs GPT-5.6 Luna: benchmark scores, pricing & comparison.

Q: Which is better: GPT-5.6 Terra or GPT-5.6 Luna?

AskClash compares GPT-5.6 Terra and GPT-5.6 Luna side by side across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, and context window so you can see which model wins on each benchmark.

Side-by-side GPT-5.6 Terra vs GPT-5.6 Luna comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.

Open live leaderboard GPT-5.6 Terra model page GPT-5.6 Luna model page

Rank #11 vs #27AskClash overall scores 76.2 vs 51.5.

Pricing $2.50/$15.0 vs $1.00/$6.00Input and output token prices per 1M tokens when published.

Proprietary vs ProprietaryOpenAI vs OpenAI.

GPT-5.6 Terra vs GPT-5.6 Luna benchmark comparison

Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.

Metric	GPT-5.6 Terra	GPT-5.6 Luna
Overall Score	76.2	51.5
Leaderboard Rank	#11	#27
Coding Agent Index	77.0	75.0
SWE-Atlas	81.0	81.0
Terminal-Bench	84.3	82.5
ARC-AGI 2	83.9	59.5
Input Price (per 1M tokens)	$2.50	$1.00
Output Price (per 1M tokens)	$15.0	$6.00
Context Window	1M	1M
Benchmark Cells	6	6

More GPT-5.6 Terra and GPT-5.6 Luna comparisons

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How to read this comparison

Benchmark scores

Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.

Token pricing

Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.

Coverage matters

Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.

This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.