Compare · ModelsLive · 2 picked · head to head

Gemma 4 31B vs GPT-6 Luna

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

GPT-6 Luna wins 13 of 13 shared benchmarks. Leads in speed · knowledge · general.

Category leads
speed·GPT-6 Lunaknowledge·GPT-6 Lunageneral·GPT-6 Lunamath·GPT-6 Luna
Hype vs Reality
Gemma 4 31B
#109 by perf·#7 by attention
DESERVED
GPT-6 Luna
#136 by perf·#2 by attention
DESERVED
Best value
1.1x better value than GPT-6 Luna
Gemma 4 31B
176.7 pts/$
$0.30/M
GPT-6 Luna
166.0 pts/$
$0.30/M
Vendor risk
Google DeepMind logo
Google DeepMind
$3.53T·Tier 1
Low risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
Gemma 4 31BGPT-6 Luna
Artificial Analysis · CritPt
GPT-6 Luna leads by +18.0
Gemma 4 31B
1.4
GPT-6 Luna
19.4
Artificial Analysis · GDPval
GPT-6 Luna leads by +40.6
Gemma 4 31B
6.0
GPT-6 Luna
46.6
Artificial Analysis · Humanity's Last Exam
GPT-6 Luna leads by +14.9
Gemma 4 31B
23.6
GPT-6 Luna
38.5
Artificial Analysis · Long Context Reasoning
GPT-6 Luna leads by +13.6
Gemma 4 31B
69.7
GPT-6 Luna
83.3
Artificial Analysis · MMMU Pro
GPT-6 Luna leads by +6.3
Gemma 4 31B
73.4
GPT-6 Luna
79.7
Artificial Analysis · Quality Index
GPT-6 Luna leads by +23.4
Gemma 4 31B
14.7
GPT-6 Luna
38.1
Artificial Analysis · SciCode
GPT-6 Luna leads by +9.1
Gemma 4 31B
45.5
GPT-6 Luna
54.6
Chess Puzzles
GPT-6 Luna leads by +32.6
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Gemma 4 31B
0.0
GPT-6 Luna
32.7
Dtbench
GPT-6 Luna leads by +12.4
Gemma 4 31B
71.1
GPT-6 Luna
83.5
GPQA diamond
GPT-6 Luna leads by +20.4
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Gemma 4 31B
70.5
GPT-6 Luna
90.9
Lmca
GPT-6 Luna leads by +6.2
Gemma 4 31B
46.2
GPT-6 Luna
52.3
OTIS Mock AIME 2024-2025
GPT-6 Luna leads by +25.6
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Gemma 4 31B
73.3
GPT-6 Luna
98.9
SimpleQA Verified
GPT-6 Luna leads by +31.0
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Gemma 4 31B
10.4
GPT-6 Luna
41.4
Full benchmark table
BenchmarkGemma 4 31BGPT-6 Luna
Artificial Analysis · CritPt
1.419.4
Artificial Analysis · GDPval
6.046.6
Artificial Analysis · Humanity's Last Exam
23.638.5
Artificial Analysis · Long Context Reasoning
69.783.3
Artificial Analysis · MMMU Pro
73.479.7
Artificial Analysis · Quality Index
14.738.1
Artificial Analysis · SciCode
45.554.6
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
0.032.7
Dtbench
71.183.5
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
70.590.9
Lmca
46.252.3
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
73.398.9
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
10.441.4
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Google DeepMind logoGemma 4 31B$0.20$0.40262K tokens (~131 books)$2.50
OpenAI logoGPT-6 Luna$0.10$0.501.1M tokens (~525 books)$2.00