Skip to content
Model Pareto

GPT-6 Sol vs GPT-6.1 Sol

GPT-6 Sol scores higher in vision; GPT-6.1 Sol in coding, writing & chat, hard reasoning and agents. Both cost about $4.00 per million tokens, blended 3:1 input:output.
GPT-6 SolGPT-6.1 Sol
Focus

Coding: quality vs price

Compared models are ringed; the other 103 ranked here are greyed.

Lower price is better. Pareto frontier: Granite 4.2 3B, NVIDIA Nemotron 3 Nano 30B A3B, gpt-oss-20b, Ling-3.0-flash-VL, MiMo-V2.6-Flash, GLM-5.3 Flash, DeepSeek V4.1 Flash, MiMo-V2.6-Pro, Claude Sonnet 5.5, Claude Opus 5.5. 27 models are not plotted: Xing4.0-29B-A4B, Nex-N2.5-Pro, Atria Dawn Preview, Intern-S2-397B, Solar Open2 250B, Phi-4-reasoning-plus, Motif 3, Nex-N2-Pro, Nex-N2.5-Mini, A.X-K2, K2 Horizon 375B A23B, K-EXAONE 2.0 0803, K2 Horizon MoVA 36B A4B, Intern-S2-Preview (35B-A3B), Command A+, North Mini Code, G9v3-39A5B, Falcon-H1-34B-Instruct, Devstral 2, K2 Horizon 7B, K2-Horizon-32B, Devstral Small 2, MiniCPM5-2B, Ling 3.0 Tiny, K2 Horizon 3.7B, K2 Horizon 0.9B, LFM2.5-2.6B.

27 models with no price data — shown in the strip at the left edge

Xing4.0-29B-A4B, Nex-N2.5-Pro, Atria Dawn Preview, Intern-S2-397B, Solar Open2 250B, Phi-4-reasoning-plus, Motif 3, Nex-N2-Pro, Nex-N2.5-Mini, A.X-K2, K2 Horizon 375B A23B, K-EXAONE 2.0 0803, K2 Horizon MoVA 36B A4B, Intern-S2-Preview (35B-A3B), Command A+, North Mini Code, G9v3-39A5B, Falcon-H1-34B-Instruct, Devstral 2, K2 Horizon 7B, K2-Horizon-32B, Devstral Small 2, MiniCPM5-2B, Ling 3.0 Tiny, K2 Horizon 3.7B, K2 Horizon 0.9B, LFM2.5-2.6B

  • Best-value frontier (nothing is both cheaper and better)
  • Evidencestrong → weak
  • Estimated from other categories
  • GPT-6 Sol
    Quality
    78.5
    Rank
    #7/105
    Price
    $4.00/M tok
    Speed
    69tok/s
    In$2.00▾Out$10▾/M tok

    vs GPT-6.1 Sol: −6.8 quality · 1× price

  • GPT-6.1 Sol
    Quality
    85.3
    Rank
    #5/105
    Price
    $4.00/M tok
    Speed
    —
    In$2.00▾Out$10▾/M tok

    vs GPT-6 Sol: +6.8 quality · 1× price

Overview

Metric
GPT-6 Sol
GPT-6.1 Sol
Lab
OpenAI
OpenAI
Released
Sep 22, 2026
Sep 29, 2026
Weights
Proprietary
Proprietary
Input price
$/M tok
$2.00Best
$2.00Best
Output price
$/M tok
$10Best
$10Best
Blended price
$/M tok · 3:1 in:out
$4.00Best
$4.00Best
Output speed
tok/s
69
—
Context
tokens
872K
922KBest

Quality by category

0–100 within each category (100 = best tracked model). Rank is among all models ranked there. Click a row to focus it.

Metric
GPT-6 Sol
GPT-6.1 Sol
Coding
78.5±4.5
#7/105Verified
85.3±6.4Best
#5/105Mixed
Writing & chat
83.1±4.3
#8/147Verified
92.6±10.0Best
#4/147Estimated from other categoriesbest value
Vision
86.8±4.8Best
#4/83Verifiedbest value
85.1±8.2
#5/83Verified
Hard reasoning
85.8±5.1
#9/184Verified
91.5±5.1Best
#6/184Verified
Agents
76.0±7.8
#18/175Verified
84.7±12.5Best
#9/175Estimated from other categories

Coding benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Metric
GPT-6 Sol
GPT-6.1 Sol
SWE-bench Verified
day 0
~#2/14~89.3%Estimated
  1. #1Claude Opus 596.0%
  2. ~#2GPT-6 SolEstimated89.3%
  3. #2Claude Sonnet 585.2%
estimated from related benchmarks
~#2/14~90.2%Estimated
  1. #1Claude Opus 596.0%
  2. ~#2GPT-6.1 SolEstimated90.2%
  3. #2Claude Sonnet 585.2%
estimated from related benchmarks
SWE-bench Pro (Public)
day 0
~#5/19~71.8%Estimated
  1. #1Claude Opus 5.589.9%
  2. #4Claude Opus 579.2%
  3. ~#5GPT-6 SolEstimated71.8%
  4. #5Intern-S2-397B68.5%
estimated from related benchmarks
~#5/19~75.8%Estimated
  1. #1Claude Opus 5.589.9%
  2. #4Claude Opus 579.2%
  3. ~#5GPT-6.1 SolEstimated75.8%
  4. #5Intern-S2-397B68.5%
estimated from related benchmarks
DeepSWE v1.1
day 0
#8/3169.0%Verified
  1. #1GPT-6.1 Sol75.2%
  2. #7GPT-5.6 Terra69.6%
  3. #8GPT-6 Sol69.0%
  4. #9Claude Opus 5.568.4%
artificialanalysis.ai · 2026-09-24
#1/3175.2%BestLab-reported
  1. #1GPT-6.1 Sol75.2%
  2. #2DeepSeek V4.1 Flash74.2%
vellum.ai · 2026-09-29
Terminal-Bench 4.0
day 0
#7/8443.9%Verified
  1. #1Claude Sonnet 5.563.6%
  2. #6Claude Opus 549.0%
  3. #7GPT-6 Sol43.9%
  4. #8GLM-5.341.9%
artificialanalysis.ai · 2026-09-24
#4/8456.1%BestVerified
  1. #1Claude Sonnet 5.563.6%
  2. #3GPT-6 Astra59.1%
  3. #4GPT-6.1 Sol56.1%
  4. #5Claude Fable 5.152.0%
artificialanalysis.ai · 2026-09-29
LiveCodeBench
third-party
~#2/20~92.1%Estimated
  1. #1Qwen3.8-Omni-Flash92.6%
  2. ~#2GPT-6 SolEstimated92.1%
  3. #2Qwen3.8 Flash-Next91.9%
estimated from related benchmarks
~#2/20~92.1%Estimated
  1. #1Qwen3.8-Omni-Flash92.6%
  2. ~#2GPT-6.1 SolEstimated92.1%
  3. #2Qwen3.8 Flash-Next91.9%
estimated from related benchmarks
SciCode
third-party
#10/9757.6%BestVerified
  1. #1Claude Opus 5.566.9%
  2. #9Gemini 3.1 Pro58.7%
  3. #10GPT-6 Sol57.6%
  4. #11Grok 4.757.4%
artificialanalysis.ai · 2026-09-24
#16/9755.7%Verified
  1. #1Claude Opus 5.566.9%
  2. #15GPT-5.555.8%
  3. #16GPT-6.1 Sol55.7%
  4. #17GPT-5.6 Terra55.0%
artificialanalysis.ai · 2026-09-29
AA Coding Agent Index
third-party
#5/1456.7Verified
  1. #1Claude Opus 5.566.0
  2. #4Claude Opus 559.7
  3. #5GPT-6 Sol56.7
  4. #6Grok 4.756.3
artificialanalysis.ai · 2026-09-24
~#5/15~57.3Estimated
  1. #1Claude Opus 5.566.0
  2. #4Claude Opus 559.7
  3. ~#5GPT-6.1 SolEstimated57.3
  4. #5GPT-6 Sol56.7
estimated from related benchmarks
Benchmarks in other categories (4)

Writing & chat benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Metric
GPT-6 Sol
GPT-6.1 Sol
IFBench
day 0
~#7/126~80.7%Estimated
  1. #1MiniMax-M382.9%
  2. #6Intern-S2-Preview (35B-A3B)80.9%
  3. ~#7GPT-6 SolEstimated80.7%
  4. #7Nemotron Cascade 2 30B A3B80.4%
estimated from related benchmarks
~#3/126~82.5%Estimated
  1. #1MiniMax-M382.9%
  2. #2Qwen3.8 2.4T A95B82.8%
  3. ~#3GPT-6.1 SolEstimated82.5%
  4. #3Qwen3.8-Omni-Flash81.5%
estimated from related benchmarks
MMMLU
day 0
~#2/5~90.4%Estimated
  1. #1Gemini 3.1 Pro92.6%
  2. ~#2GPT-6 SolEstimated90.4%
  3. #2Gemma 4 31B88.4%
estimated from related benchmarks
~#2/5~90.4%Estimated
  1. #1Gemini 3.1 Pro92.6%
  2. ~#2GPT-6.1 SolEstimated90.4%
  3. #2Gemma 4 31B88.4%
estimated from related benchmarks
LMArena Text, Non-English (Elo)
third-party
#16/531448Verified
  1. #1Claude Opus 5.51501
  2. #16DeepSeek V4 Pro (0813)1448
  3. #16GPT-6 Sol1448
  4. #18Claude Sonnet 51447
lmarena.ai · 2026-09-25
~#2/54~1499Estimated
  1. #1Claude Opus 5.51501
  2. ~#2GPT-6.1 SolEstimated1499
  3. #2Claude Fable 5.1Few votes1496
estimated from related benchmarks
LMArena Text (Elo)
third-party
#18/531457Verified
  1. #1Claude Opus 5.51509
  2. #17Claude Sonnet 51461
  3. #18GPT-6 Sol1457
  4. #19Gemini 3.5 Flash-Lite1456
lmarena.ai · 2026-09-25
~#2/54~1507Estimated
  1. #1Claude Opus 5.51509
  2. ~#2GPT-6.1 SolEstimated1507
  3. #2Claude Fable 5.11501
estimated from related benchmarks
EQ-Bench Creative Writing v3 (Elo)
third-party
#4/252125Verified
  1. #1GPT-6 Astra2173
  2. #3Claude Opus 52133
  3. #4GPT-6 Sol2125
  4. #5Kimi K32082
eqbench.com · 2026-09-24
~#7/26~2063Estimated
  1. #1GPT-6 Astra2173
  2. #6GLM-5.32075
  3. ~#7GPT-6.1 SolEstimated2063
  4. #7Claude Opus 5.52050
estimated from related benchmarks

Vision benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Metric
GPT-6 Sol
GPT-6.1 Sol
MMMU
day 0
~#2/3~71.3%Estimated
  1. #1Claude Haiku 4.573.2%
  2. ~#2GPT-6 SolEstimated71.3%
  3. #2Llama 4 Maverick69.4%
estimated from related benchmarks
~#2/3~71.3%Estimated
  1. #1Claude Haiku 4.573.2%
  2. ~#2GPT-6.1 SolEstimated71.3%
  3. #2Llama 4 Maverick69.4%
estimated from related benchmarks
MMMU-Pro
day 0
#6/7783.3%Verified
  1. #1Claude Opus 5.587.7%
  2. #5Claude Opus 584.7%
  3. #6GPT-6 Sol83.3%
  4. #7Qwen3.8 Max (0902)82.8%
artificialanalysis.ai · 2026-09-24
#3/7786.0%BestVerified
  1. #1Claude Opus 5.587.7%
  2. #2GPT-6 Astra86.9%
  3. #3GPT-6.1 Sol86.0%
  4. #4Gemini 3.8 Flash85.6%
artificialanalysis.ai · 2026-09-29
CharXiv Reasoning
day 0
~#2/9~85.0%Estimated
  1. #1Gemini 3.8 Flash86.2%
  2. ~#2GPT-6 SolEstimated85.0%
  3. #2Kimi K384.8%
estimated from related benchmarks
~#2/9~85.7%Estimated
  1. #1Gemini 3.8 Flash86.2%
  2. ~#2GPT-6.1 SolEstimated85.7%
  3. #2Kimi K384.8%
estimated from related benchmarks
OmniDocBench v1.5
third-party
~#4/8~90.8%Estimated
  1. #1MiniMax-M391.6%
  2. #2Qwen3.8 27B91.1%
  3. ~#4GPT-6 SolEstimated90.8%
  4. #4Gemini 3.1 Pro85.3%
estimated from related benchmarks
~#4/8~90.6%Estimated
  1. #1MiniMax-M391.6%
  2. #2Qwen3.8 27B91.1%
  3. ~#4GPT-6.1 SolEstimated90.6%
  4. #4Gemini 3.1 Pro85.3%
estimated from related benchmarks
GDP.pdf (AA)
third-party
#5/4224.8%Verified
  1. #1GPT-6 Astra31.0%
  2. #3Claude Opus 5.526.2%
  3. #5GPT-6 Sol24.8%
  4. #6GPT-5.6 Terra24.0%
artificialanalysis.ai · 2026-09-24
~#9/43~21.9%Estimated
  1. #1GPT-6 Astra31.0%
  2. #8Kimi K322.0%
  3. ~#9GPT-6.1 SolEstimated21.9%
  4. #9Claude Opus 521.6%
estimated from related benchmarks
Chartography
third-party
#3/2253.6%Verified
  1. #1GPT-6 Astra71.0%
  2. #2Claude Opus 5.566.3%
  3. #3GPT-6 Sol53.6%
  4. #4Claude Fable 5.146.2%
surgehq.ai · 2026-09-24
~#5/23~41.3%Estimated
  1. #1GPT-6 Astra71.0%
  2. #4Claude Fable 5.146.2%
  3. ~#5GPT-6.1 SolEstimated41.3%
  4. #5Gemini 3.8 Flash40.9%
estimated from related benchmarks

Hard reasoning benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Metric
GPT-6 Sol
GPT-6.1 Sol
GPQA Diamond
day 0
~#3/174~94.7%Estimated
  1. #1GPT-6 Astra96.1%
  2. #2Gemini 3.8 Flash95.3%
  3. ~#3GPT-6 SolEstimated94.7%
  4. #3Gemini 3.1 Pro94.1%
estimated from related benchmarks
~#2/174~96.0%Estimated
  1. #1GPT-6 Astra96.1%
  2. ~#2GPT-6.1 SolEstimated96.0%
  3. #2Gemini 3.8 Flash95.3%
estimated from related benchmarks
Humanity's Last Exam
day 0
#9/18047.9%Verified
  1. #1Claude Opus 5.561.4%
  2. #8Muse Spark 1.348.7%
  3. #9GPT-6 Sol47.9%
  4. #10Gemini 3.8 Flash47.8%
artificialanalysis.ai · 2026-09-24
#6/18052.9%BestVerified
  1. #1Claude Opus 5.561.4%
  2. #5GPT-6 Astra54.7%
  3. #6GPT-6.1 Sol52.9%
  4. #7MiMo-V2.6-Pro49.4%
artificialanalysis.ai · 2026-09-29
AIME (latest)
day 0
~#2/25~96.5%Estimated
  1. #1Inkling97.1%
  2. ~#2GPT-6 SolEstimated96.5%
  3. #2Muse Glimmer94.7%
estimated from related benchmarks
~#2/25~96.5%Estimated
  1. #1Inkling97.1%
  2. ~#2GPT-6.1 SolEstimated96.5%
  3. #2Muse Glimmer94.7%
estimated from related benchmarks
AA Intelligence Index
third-party
#8/7747.5Verified
  1. #1Claude Opus 5.557.6
  2. #7Muse Spark 1.348.1
  3. #8GPT-6 Sol47.5
  4. #9Grok 4.746.4
artificialanalysis.ai · 2026-09-24
#5/7751.8BestVerified
  1. #1Claude Opus 5.557.6
  2. #4GPT-6 Astra52.7
  3. #5GPT-6.1 Sol51.8
  4. #6Claude Opus 550.8
artificialanalysis.ai · 2026-09-29

Agents benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Metric
GPT-6 Sol
GPT-6.1 Sol
τ²-bench (Telecom)
day 0
~#2/116~98.2%Estimated
  1. #1Step 3.7 Flash98.5%
  2. ~#2GPT-6 SolEstimated98.2%
  3. #2Gemini 3.1 Pro95.6%
estimated from related benchmarks
~#2/116~97.8%Estimated
  1. #1Step 3.7 Flash98.5%
  2. ~#2GPT-6.1 SolEstimated97.8%
  3. #2Gemini 3.1 Pro95.6%
estimated from related benchmarks
OSWorld-Verified
day 0
~#3/12~82.8%Estimated
  1. #1Kimi K384.8%
  2. #2Qwen3.8 27B84.3%
  3. ~#3GPT-6 SolEstimated82.8%
  4. #3Nex-N2.5-Pro82.2%
estimated from related benchmarks
~#3/12~83.4%Estimated
  1. #1Kimi K384.8%
  2. #2Qwen3.8 27B84.3%
  3. ~#3GPT-6.1 SolEstimated83.4%
  4. #3Nex-N2.5-Pro82.2%
estimated from related benchmarks
OSWorld 2.0
day 0
~#3/5~54.2%Estimated
  1. #1GLM-5.3 Flash59.1%
  2. #2Kimi K358.3%
  3. ~#3GPT-6 SolEstimated54.2%
  4. #3GPT-5.6 Terra50.2%
estimated from related benchmarks
~#3/5~53.8%Estimated
  1. #1GLM-5.3 Flash59.1%
  2. #2Kimi K358.3%
  3. ~#3GPT-6.1 SolEstimated53.8%
  4. #3GPT-5.6 Terra50.2%
estimated from related benchmarks
BrowseComp
day 0
~#7/18~88.6%Estimated
  1. #1Atria Dawn Preview92.5%
  2. #6Step 5 Preview88.7%
  3. ~#7GPT-6 SolEstimated88.6%
  4. #7GPT-5.6 Terra87.5%
estimated from related benchmarks
~#5/18~90.5%Estimated
  1. #1Atria Dawn Preview92.5%
  2. #4Claude Opus 590.8%
  3. ~#5GPT-6.1 SolEstimated90.5%
  4. #5Nex-N2.5-Pro89.7%
estimated from related benchmarks
GDPval-AA (Elo)
third-party
#17/861487Verified
  1. #1Claude Opus 5.51846
  2. #16Kimi K31524
  3. #17GPT-6 Sol1487
  4. #18Claude Sonnet 51449
artificialanalysis.ai · 2026-09-24
~#12/87~1612Estimated
  1. #1Claude Opus 5.51846
  2. #11Qwen3.8 Flash-Next1612
  3. ~#12GPT-6.1 SolEstimated1612
  4. #12DeepSeek V4.1 Flash1600
estimated from related benchmarks
AutomationBench-AA
third-party
#7/7961.6%Verified
  1. #1Claude Opus 5.569.5%
  2. #6GLM-5.362.2%
  3. #7GPT-6 Sol61.6%
  4. #8GLM-5.3 Flash60.4%
artificialanalysis.ai · 2026-09-24
~#5/80~65.7%Estimated
  1. #1Claude Opus 5.569.5%
  2. #4Grok 4.667.0%
  3. ~#5GPT-6.1 SolEstimated65.7%
  4. #5Grok 4.765.6%
estimated from related benchmarks
τ-Bench Banking (AA)
third-party
~#16/90~39.6%Estimated
  1. #1Muse Spark 1.350.5%
  2. #15DeepSeek V4 Pro (0813)39.6%
  3. ~#16GPT-6 SolEstimated39.6%
  4. #16GPT-5.539.0%
estimated from related benchmarks
~#9/90~45.6%Estimated
  1. #1Muse Spark 1.350.5%
  2. #8Kimi K346.0%
  3. ~#9GPT-6.1 SolEstimated45.6%
  4. #9Qwen3.8 Flash-Next45.4%
estimated from related benchmarks
Not comparable across labs (1)
OSWorld 2.0 (offline set v2026.08.08)
day 0
#3/464.4%Lab-reported
  1. #1GPT-6 Astra72.6%
  2. #2GPT-6.1 Sol71.4%
  3. #3GPT-6 Sol64.4%
  4. #4GPT-6 Luna52.7%
openai.com · 2026-09-22
#2/471.4%BestLab-reported
  1. #1GPT-6 Astra72.6%
  2. #2GPT-6.1 Sol71.4%
  3. #3GPT-6 Sol64.4%
vellum.ai · 2026-09-29