GPT-6.1 Sol vs GPT-6 Sol
Wins 6 of 8 areas
Agents · Reasoning · Facts · Images and charts · Math · Following instructions
Wins 0 of 8 areas
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GPT-6.1 Sol is the stronger all-rounder.
Both rank among the ten best models we track in math.
Scores updated · 35 tests both models report · How we compare
Where each one wins
Tests won in each of the eight areas we test. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
- ReasoningHard problems that need careful thinking50GPT-6.1 Sol5 of 6 tests · 1 tie
- FactsGetting facts right instead of making them up30GPT-6.1 Sol3 of 3 tests
- MathCompetition and research-level math20GPT-6.1 Sol2 of 3 tests · 1 tie
- AgentsCarrying out multi-step tasks on its own20GPT-6.1 Sol2 of 2 tests
- Images and chartsUnderstanding pictures, charts and video20GPT-6.1 Sol2 of 2 tests
- Following instructionsDoing exactly what it is asked10GPT-6.1 Sol1 of 1 test
- CodingWriting and fixing software22Even2 each
- Long documentsFinding answers in very long texts00Even0 each · 1 tie
Long documents and following instructions rest on a single test each.
What it costs
Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where GPT-6.1 Sol pulls ahead
- Solves new puzzle games it has never seenARC-AGI-3+48.1points ahead
- Short factual questions, answered correctlySimpleQA Verified+13.2points ahead
- Complex command-line tasks across many fieldsTerminal-Bench 4.0+12.2points ahead
Where GPT-6 Sol pulls ahead
- Code for real scientific research problemsSciCode+3.4points ahead
- Programming problems, refreshed regularlyLiveBench · Coding+1.4points ahead
Every test, side by side
All 35 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingEven
- LMArena · WebDevGPT-6.1 Sol by 70 rating points17431673+70 rating
- SciCodeGPT-6 Sol by 3.454.257.6+3.4
- LiveBench · Agentic CodingGPT-6.1 Sol by 1.754.552.9+1.7
- LiveBench · CodingGPT-6 Sol by 1.480.481.8+1.4
AgentsGPT-6.1 Sol
- Terminal-Bench 4.0GPT-6.1 Sol by 12.256.143.9+12.2
- GDPValGPT-6.1 Sol by 4.354.750.4+4.3
ReasoningGPT-6.1 Sol
- ARC-AGI-3GPT-6.1 Sol by 48.152.74.6+48.1
- SimpleBenchGPT-6.1 Sol by 9.882.973.1+9.8
- Humanity's Last ExamGPT-6.1 Sol by 552.947.9+5
- ARC-AGI-2GPT-6.1 Sol by 4.694.289.6+4.6
- LiveBench · ReasoningGPT-6.1 Sol by 3.992.688.7+3.9
- CritPttie31.730.9tie
FactsGPT-6.1 Sol
- SimpleQA VerifiedGPT-6.1 Sol by 13.273.960.7+13.2
- AA-Omniscience · AccuracyGPT-6.1 Sol by 7.662.154.5+7.6
- AA-Omniscience · Non-hallucinationGPT-6.1 Sol by 5.845.739.9+5.8
Images and chartsGPT-6.1 Sol
- LMArena · VisionGPT-6.1 Sol by 53 rating points12861233+53 rating
- MMMU-ProGPT-6.1 Sol by 3.18682.9+3.1
MathGPT-6.1 Sol
- FrontierMath Tier 4GPT-6.1 Sol by 1010090+10
- FrontierMath Tiers 1-3 (v2)GPT-6.1 Sol by 3.993.789.8+3.9
- LiveBench · Mathematicstie96.896.4tie
Following instructionsGPT-6.1 Sol
- LiveBench · Instruction FollowingGPT-6.1 Sol by 5.674.268.6+5.6
Other results13 tests, not counted
Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.
- Terminal-Bench-Science 0.1GPT-6.1 Sol by 30.558.127.6+30.5
- AA-OmniscienceGPT-6.1 Sol by 14.441.527.1+14.4
- Terminal-Bench 4.0GPT-6.1 Sol by 8.858.249.4+8.8
- OSWorld 2.0GPT-6.1 Sol by 771.464.4+7
- DeepSWE 1.1GPT-6.1 Sol by 6.475.268.8+6.4
- HealthBench Hard length-adjustedGPT-6.1 Sol by 6.136.230.1+6.1
- HealthBench length-adjustedGPT-6.1 Sol by 5.358.553.2+5.3
- livebench_languageGPT-6.1 Sol by 4.890.185.3+4.8
- AA IntelligenceGPT-6.1 Sol by 4.251.847.6+4.2
- HealthBench Professional length-adjustedGPT-6.1 Sol by 3.464.260.8+3.4
- livebench_data_analysisGPT-6.1 Sol by 1.582.781.2+1.5
- ARC-AGI-1GPT-6.1 Sol by 196.595.5+1
- HealthBench Consensus length-adjustedtie9696.2tie
Questions people ask
Which is better, GPT-6.1 Sol or GPT-6 Sol?
GPT-6.1 Sol wins six of the eight areas we test: agents, reasoning, facts, images and charts, math and following instructions. GPT-6 Sol wins none. They are level on coding and long documents.
Which is better for coding?
Neither. They win 2 coding tests each of the 4 both models report.
Which is cheaper?
GPT-6.1 Sol costs $2.00 per million input tokens and $10.00 per million output tokens; GPT-6 Sol costs $2.00 and $10.00. For a million tokens read plus a million written, they cost about the same.
How do you compare the two?
We use the 35 benchmark tests both models have published scores on. The verdict counts the 22 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 13 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.