Compare · ModelsLive · 3 picked · head to head

GPT-6.1 Sol vs GPT-6.1 Terra vs GPT-6 Astra

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

Winner summary

GPT-6 Astra wins 16 of 28 shared benchmarks. Leads in general · knowledge · reasoning.

Category leads
agentic·GPT-6.1 Terrageneral·GPT-6 Astramath·GPT-6.1 Solknowledge·GPT-6 Astracoding·GPT-6.1 Terrareasoning·GPT-6 Astraspeed·GPT-6 Astra
Hype vs Reality
GPT-6.1 Sol
#10 by perf·#2 by attention
DESERVED
GPT-6.1 Terra
#14 by perf·#2 by attention
DESERVED
GPT-6 Astra
#9 by perf·#2 by attention
DESERVED
Best value
1.9x better value than GPT-6.1 Sol
GPT-6.1 Sol
12.5 pts/$
$6.00/M
GPT-6.1 Terra
24.1 pts/$
$3.00/M
GPT-6 Astra
2.5 pts/$
$30.00/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
GPT-6.1 SolGPT-6.1 TerraGPT-6 Astra
APEX-Agents
GPT-6.1 Terra leads by +3.6
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
GPT-6.1 Sol
60.0
GPT-6.1 Terra
68.3
GPT-6 Astra
64.7
Ebr Bench
GPT-6.1 Terra leads by +1.9
GPT-6.1 Sol
54.3
GPT-6.1 Terra
78.1
GPT-6 Astra
76.2
FrontierMath-Tier-4-v2-Private
GPT-6.1 Sol leads by +2.4
GPT-6.1 Sol
100.0
GPT-6.1 Terra
92.7
GPT-6 Astra
97.6
FrontierMath-Tiers-1-3-v2-Private
GPT-6.1 Sol
98.6
GPT-6.1 Terra
95.7
GPT-6 Astra
98.6
Furniture Assembly
GPT-6.1 Sol
71.4
GPT-6.1 Terra
70.2
GPT-6 Astra
71.4
GPQA diamond
GPT-6 Astra leads by +0.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-6.1 Sol
97.8
GPT-6.1 Terra
96.3
GPT-6 Astra
98.3
Mirrorcode
GPT-6.1 Terra leads by +15.6
GPT-6.1 Sol
61.1
GPT-6.1 Terra
76.7
GPT-6 Astra
60.0
Mystery Game Puzzles
GPT-6 Astra leads by +4.4
GPT-6.1 Sol
78.0
GPT-6.1 Terra
71.4
GPT-6 Astra
82.4
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-6.1 Sol
100.0
GPT-6.1 Terra
100.0
GPT-6 Astra
100.0
SimpleBench
GPT-6 Astra leads by +4.3
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
GPT-6.1 Sol
79.5
GPT-6.1 Terra
66.6
GPT-6 Astra
83.8
SimpleQA Verified
GPT-6 Astra leads by +1.7
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GPT-6.1 Sol
73.9
GPT-6.1 Terra
57.3
GPT-6 Astra
75.6
SpireClimb
GPT-6 Astra leads by +10.2
GPT-6.1 Sol
23.8
GPT-6.1 Terra
22.3
GPT-6 Astra
34.0
WeirdML v3
GPT-6 Astra leads by +3.8
GPT-6.1 Sol
56.2
GPT-6.1 Terra
44.9
GPT-6 Astra
60.0
Artificial Analysis · CritPt
GPT-6.1 Sol
31.7
GPT-6 Astra
31.7
Artificial Analysis · GDPval
GPT-6.1 Sol leads by +1.1
GPT-6.1 Sol
54.7
GPT-6 Astra
53.6
Artificial Analysis · Humanity's Last Exam
GPT-6 Astra leads by +1.8
GPT-6.1 Sol
52.9
GPT-6 Astra
54.7
Artificial Analysis · Long Context Reasoning
GPT-6.1 Sol leads by +2.3
GPT-6.1 Sol
83.0
GPT-6 Astra
80.7
Artificial Analysis · MMMU Pro
GPT-6 Astra leads by +0.9
GPT-6.1 Sol
86.0
GPT-6 Astra
86.9
Artificial Analysis · Quality Index
GPT-6 Astra leads by +0.8
GPT-6.1 Sol
51.8
GPT-6 Astra
52.7
Artificial Analysis · SciCode
GPT-6 Astra leads by +2.3
GPT-6.1 Sol
54.2
GPT-6 Astra
56.5
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
GPT-6.1 Sol
98.5
GPT-6 Astra
98.5
ARC-AGI-2
GPT-6 Astra leads by +0.8
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GPT-6.1 Sol
94.2
GPT-6 Astra
95.0
Chess Puzzles
GPT-6 Astra leads by +8.4
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GPT-6.1 Sol
66.3
GPT-6 Astra
74.8
Dtbench
GPT-6 Astra leads by +1.3
GPT-6.1 Sol
94.2
GPT-6 Astra
95.5
Frontiercode
GPT-6 Astra leads by +3.0
GPT-6.1 Sol
50.2
GPT-6 Astra
53.3
Lmca
GPT-6 Astra leads by +1.9
GPT-6.1 Sol
73.9
GPT-6 Astra
75.7
PostTrainBench
GPT-6 Astra leads by +3.1
GPT-6.1 Sol
38.8
GPT-6 Astra
41.9
Proofbench
GPT-6.1 Sol
99.0
GPT-6 Astra
99.0
Full benchmark table
BenchmarkGPT-6.1 SolGPT-6.1 TerraGPT-6 Astra
APEX-Agents
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
60.068.364.7
Ebr Bench
54.378.176.2
FrontierMath-Tier-4-v2-Private
100.092.797.6
FrontierMath-Tiers-1-3-v2-Private
98.695.798.6
Furniture Assembly
71.470.271.4
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
97.896.398.3
Mirrorcode
61.176.760.0
Mystery Game Puzzles
78.071.482.4
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
100.0100.0100.0
SimpleBench
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
79.566.683.8
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
73.957.375.6
SpireClimb
23.822.334.0
WeirdML v3
56.244.960.0
Artificial Analysis · CritPt
31.7n/a31.7
Artificial Analysis · GDPval
54.7n/a53.6
Artificial Analysis · Humanity's Last Exam
52.9n/a54.7
Artificial Analysis · Long Context Reasoning
83.0n/a80.7
Artificial Analysis · MMMU Pro
86.0n/a86.9
Artificial Analysis · Quality Index
51.8n/a52.7
Artificial Analysis · SciCode
54.2n/a56.5
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
98.5n/a98.5
ARC-AGI-2
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
94.2n/a95.0
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
66.3n/a74.8
Dtbench
94.2n/a95.5
Frontiercode
50.2n/a53.3
Lmca
73.9n/a75.7
PostTrainBench
38.8n/a41.9
Proofbench
99.0n/a99.0
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logoGPT-6.1 Sol$2.00$10.001.1M tokens (~525 books)$40.00
OpenAI logoGPT-6.1 Terra$1.00$5.001.1M tokens (~525 books)$20.00
OpenAI logoGPT-6 Astra$10.00$50.001.1M tokens (~525 books)$200.00