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
Claude Haiku 5.5 vs GPT-6 Luna: benchmark scores, pricing & comparison.
Side-by-side Claude Haiku 5.5 vs GPT-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: Claude Haiku 5.5 ranks higher (#16 vs #40) and wins 3 of 3 shared benchmarks.
Rank #16 vs #40AskClash overall scores 60.0 vs 46.4.
Pricing $0.10/$0.50 vs $0.10/$0.50Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryAnthropic vs OpenAI.
Claude Haiku 5.5 vs GPT-6 Luna benchmark comparison
Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.
| Metric | Claude Haiku 5.5 | GPT-6 Luna |
|---|---|---|
| Overall Score | 60.0 | 46.4 |
| Leaderboard Rank | #16 | #40 |
| ACB | 63.5 | 50.2 |
| Coding Agent Index | — | 41.1 |
| HLE | 57.4 | 38.5 |
| SWE-Pro | 64.8 | — |
| SWE-Atlas | — | 44.4 |
| Terminal-Bench | 32.8 | — |
| DeepSWE | — | 66.6 |
| GDPval-AA | 1620.0 | 1437.1 |
| Finance Agent | — | 49.9 |
| MMMU-Pro | — | 79.7 |
| ARC-AGI 2 | — | 59.3 |
| Input Price (per 1M tokens) | $0.10 | $0.10 |
| Output Price (per 1M tokens) | $0.50 | $0.50 |
| Context Window | 1M | 1.05M |
| Benchmarks Published | 8 | 12 |
Claude Haiku 5.5 vs GPT-6 Luna head-to-head charts
Claude Haiku 5.5 leads 4 and GPT-6 Luna leads 0 of 4 shared benchmarks. Charts show only benchmarks both models publish.
Claude Haiku 5.5GPT-6 Luna
Overall
ACB
HLE
GDPval-AA
Claude Haiku 5.5
Input$0.10
Output$0.50
Workload$0.20
Context1M
GPT-6 Luna
Input$0.10
Output$0.50
Workload$0.20
Context1.05M
Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.
More Claude Haiku 5.5 and GPT-6 Luna comparisons
Explore how Claude Haiku 5.5 and GPT-6 Luna stack up against other top-ranked LLMs.
Claude Opus 5.5 vs Claude Haiku 5.5Claude Opus 5.5 vs GPT-6 LunaClaude Fable 5.1 vs Claude Haiku 5.5Claude Fable 5.1 vs GPT-6 LunaClaude Opus 5 vs Claude Haiku 5.5Claude Opus 5 vs GPT-6 LunaClaude Sonnet 5.5 vs Claude Haiku 5.5Claude Sonnet 5.5 vs GPT-6 LunaClaude Fable 5 vs Claude Haiku 5.5Claude Fable 5 vs GPT-6 Luna
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.