Benchmark scores
Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.
LLM Comparison
Gemini 4 Hydrogen vs GPT-5.6 Luna: benchmark scores, pricing & comparison.
Side-by-side Gemini 4 Hydrogen 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.
Verdict: Gemini 4 Hydrogen ranks higher (#13 vs #39) and wins 3 of 3 shared benchmarks; GPT-5.6 Luna costs less ($1.00/$6.00 vs $1.50/$7.50 per 1M tokens).
Rank #13 vs #39AskClash overall scores 62.8 vs 42.4.
Pricing $1.50/$7.50 vs $1.00/$6.00Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryGoogle vs OpenAI.
Gemini 4 Hydrogen 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 | Gemini 4 Hydrogen | GPT-5.6 Luna |
|---|---|---|
| Overall Score | 62.8 | 42.4 |
| Leaderboard Rank | #13 | #39 |
| ACB | 70.2 | 56.1 |
| AA Intelligence Index | 53.9 | 37.5 |
| AutomationBench-AA | 76.1 | — |
| RWT | — | 9.5 |
| GPQA | — | 92.3 |
| SWE-Pro | — | 62.7 |
| Terminal-Bench 4.0 | 54.0 | 11.6 |
| DeepSWE | — | 67.2 |
| GDPval-AA | — | 1592.0 |
| Finance Agent v2.1 | 65.1 | — |
| MMMU-Pro | — | 78.4 |
| ARC-AGI 2 | — | 59.5 |
| MRCR | — | 41.3 |
| Input Price (per 1M tokens) | $1.50 | $1.00 |
| Output Price (per 1M tokens) | $7.50 | $6.00 |
| Context Window | 1M | 1M |
| Benchmarks Published | 5 | 9 |
Gemini 4 Hydrogen: its diagnostic ACB uses a review slice and sampled video frames.
Gemini 4 Hydrogen vs GPT-5.6 Luna head-to-head charts
Gemini 4 Hydrogen leads 3 and GPT-5.6 Luna leads 0 of 3 shared benchmarks. GPT-5.6 Luna is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.
Gemini 4 HydrogenGPT-5.6 Luna
Overall
ACB
AA Intelligence Index
Terminal-Bench 4.0
Gemini 4 Hydrogen
Input$1.50
Output$7.50
Workload$3.00
Context1M
GPT-5.6 Luna
Input$1.00
Output$6.00
Workload$2.20
Context1M
Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.
More Gemini 4 Hydrogen and GPT-5.6 Luna comparisons
Explore how Gemini 4 Hydrogen and GPT-5.6 Luna stack up against other top-ranked LLMs.
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How to read this comparison
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.