Compare · ModelsLive · 2 picked · head to head

o1-preview vs Gemini 2.0 Flash

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

Winner summary

o1-preview wins 4 of 6 shared benchmarks. Leads in arena · reasoning · coding.

Category leads
arena·o1-previewknowledge·Gemini 2.0 Flashmath·Gemini 2.0 Flashreasoning·o1-previewcoding·o1-preview
Hype vs Reality
o1-preview
#136 by perf·no signal
QUIET
Gemini 2.0 Flash
#101 by perf·no signal
QUIET
Best value
o1-preview
no price
Gemini 2.0 Flash
192.0 pts/$
$0.25/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Google DeepMind logo
Google DeepMind
$4.00T·Tier 1
Low risk
Head to head
o1-previewGemini 2.0 Flash
Chatbot Arena Elo · Overall
o1-preview leads by +27.7
o1-preview
1387.7
Gemini 2.0 Flash
1360.0
GPQA diamond
Gemini 2.0 Flash leads by +18.4
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
o1-preview
33.8
Gemini 2.0 Flash
52.2
MATH level 5
Gemini 2.0 Flash leads by +0.5
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
o1-preview
81.7
Gemini 2.0 Flash
82.2
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
o1-preview
31.0
Gemini 2.0 Flash
31.0
SimpleBench
o1-preview leads by +12.7
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
o1-preview
30.0
Gemini 2.0 Flash
17.3
WeirdML
o1-preview leads by +21.8
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
o1-preview
47.6
Gemini 2.0 Flash
25.8
Full benchmark table
Benchmarko1-previewGemini 2.0 Flash
Chatbot Arena Elo · Overall
1387.71360.0
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
33.852.2
MATH level 5
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
81.782.2
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
31.031.0
SimpleBench
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
30.017.3
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
47.625.8
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logoo1-preview
Google DeepMind logoGemini 2.0 Flash$0.10$0.401.0M tokens (~500 books)$1.75