Compare · ModelsLive · 2 picked · head to head
Gemini 4 Carbon vs GPT-6.1 Terra
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Gemini 4 Carbon wins on 7/10 benchmarks
Gemini 4 Carbon wins 7 of 10 shared benchmarks. Leads in agentic · math · knowledge.
Category leads
agentic·Gemini 4 Carbongeneral·GPT-6.1 Terramath·Gemini 4 Carbonknowledge·Gemini 4 Carbonreasoning·Gemini 4 Carbon
Hype vs Reality
Attention vs performance
Gemini 4 Carbon
#1 by perf·#8 by attention
GPT-6.1 Terra
#14 by perf·#2 by attention
Best value
GPT-6.1 Terra
1.7x better value than Gemini 4 Carbon
Gemini 4 Carbon
14.3 pts/$
$6.00/M
GPT-6.1 Terra
24.1 pts/$
$3.00/M
Vendor risk
Who is behind the model
Google DeepMind
$3.61T·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
10 benchmarks · 2 models
Gemini 4 CarbonGPT-6.1 Terra
APEX-Agents
Gemini 4 Carbon leads by +15.9
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Gemini 4 Carbon
84.2
GPT-6.1 Terra
68.3
Ebr Bench
Gemini 4 Carbon leads by +9.5
Gemini 4 Carbon
87.6
GPT-6.1 Terra
78.1
FrontierMath-Tier-4-v2-Private
Gemini 4 Carbon leads by +2.4
Gemini 4 Carbon
95.1
GPT-6.1 Terra
92.7
FrontierMath-Tiers-1-3-v2-Private
GPT-6.1 Terra leads by +0.4
Gemini 4 Carbon
95.3
GPT-6.1 Terra
95.7
Furniture Assembly
GPT-6.1 Terra leads by +2.4
Gemini 4 Carbon
67.9
GPT-6.1 Terra
70.2
GPQA diamond
Gemini 4 Carbon leads by +3.1
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Gemini 4 Carbon
99.3
GPT-6.1 Terra
96.3
Mystery Game Puzzles
GPT-6.1 Terra leads by +1.1
Gemini 4 Carbon
70.3
GPT-6.1 Terra
71.4
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Gemini 4 Carbon
100.0
GPT-6.1 Terra
100.0
SimpleBench
Gemini 4 Carbon leads by +24.5
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Gemini 4 Carbon
91.1
GPT-6.1 Terra
66.6
SimpleQA Verified
Gemini 4 Carbon leads by +20.4
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Gemini 4 Carbon
77.7
GPT-6.1 Terra
57.3
Full benchmark table
| Benchmark | Gemini 4 Carbon | GPT-6.1 Terra |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 84.2 | 68.3 |
Ebr Bench | 87.6 | 78.1 |
FrontierMath-Tier-4-v2-Private | 95.1 | 92.7 |
FrontierMath-Tiers-1-3-v2-Private | 95.3 | 95.7 |
Furniture Assembly | 67.9 | 70.2 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 99.3 | 96.3 |
Mystery Game Puzzles | 70.3 | 71.4 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 100.0 | 100.0 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 91.1 | 66.6 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 77.7 | 57.3 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $2.00 | $10.00 | 1.0M tokens (~524 books) | $40.00 | |
| $1.00 | $5.00 | 1.1M tokens (~525 books) | $20.00 |