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Model Pareto

GPT-6.1 Sol vs Muse Spark 1.3

GPT-6.1 Sol scores higher in coding, writing & chat, vision and hard reasoning; Muse Spark 1.3 in agents. GPT-6.1 Sol costs 2× as much as Muse Spark 1.3 ($4.00 vs $2.00 per million tokens, blended 3:1 input:output).
GPT-6.1 SolMuse Spark 1.3
Focus

Coding: quality vs price

Compared models are ringed; the other 117 ranked here are greyed.

Lower price is better. Pareto frontier: Nex-N2.5-Mini, Nex-N2.5-Pro, MiMo-V2.6-Flash, Ternary Bonsai 2 27B, MiMo-V2.6-Pro, Gemini 4 Argon, Claude Opus 5.5. 34 models are not plotted: GLM-5.3 Flash NVFP4, DeepSeek V4.1 Flash NVFP4, GLM-5.3 NVFP4, DeepSeek-V4-Pro-0813-nvfp4-DSpark, Xing4.0-29B-A4B, Ternary Bonsai 27B, Atria Dawn Preview, Maple-Preview, Bonsai 27B, Qwen3.8 27B NVFP4, Intern-S2-397B, Phi-4-reasoning-plus, Solar Open2 250B, Laguna S 2.1, Motif 3, Nex-N2-Pro, K-EXAONE 2.0 0803, K2 Horizon 375B A23B, A.X-K2, K2 Horizon MoVA 36B A4B, Intern-S2-Preview (35B-A3B), North Mini Code, G9v3-39A5B, Falcon-H1-34B-Instruct, Qwen3.8 Flash-Next NVFP4, 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.

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

GLM-5.3 Flash NVFP4, DeepSeek V4.1 Flash NVFP4, GLM-5.3 NVFP4, DeepSeek-V4-Pro-0813-nvfp4-DSpark, Xing4.0-29B-A4B, Ternary Bonsai 27B, Atria Dawn Preview, Maple-Preview, Bonsai 27B, Qwen3.8 27B NVFP4, Intern-S2-397B, Phi-4-reasoning-plus, Solar Open2 250B, Laguna S 2.1, Motif 3, Nex-N2-Pro, K-EXAONE 2.0 0803, K2 Horizon 375B A23B, A.X-K2, K2 Horizon MoVA 36B A4B, Intern-S2-Preview (35B-A3B), North Mini Code, G9v3-39A5B, Falcon-H1-34B-Instruct, Qwen3.8 Flash-Next NVFP4, 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-6.1 Sol
    Quality
    85.7
    Rank
    #5/119
    Price
    $4.00/M tok
    Speed
    53tok/s
    In$2.00Out$10/M tok

    vs Muse Spark 1.3: +13.1 quality · 2× price

  • Muse Spark 1.3
    Quality
    72.6
    Rank
    #11/119
    Price
    $2.00/M tok
    Speed
    209tok/s
    In$1.25▾Out$4.25▾/M tok

    vs GPT-6.1 Sol: −13.1 quality · 0.5× price

Overview

Metric
GPT-6.1 Sol
Muse Spark 1.3
Lab
OpenAI
Meta
Released
Sep 29, 2026
Sep 2, 2026
Weights
Proprietary
Proprietary
Input price
$/M tok
$2.00
$1.25Best
Output price
$/M tok
$10
$4.25Best
Blended price
$/M tok · 3:1 in:out
$4.00
$2.00Best
Output speed
tok/s
53
209Best
Context
tokens
922K
1MBest

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-6.1 Sol
Muse Spark 1.3
Coding
85.7±4.5Best
#5/119Verified
72.6±4.5
#11/119Verified
Writing & chat
81.9±6.0Best
#8/156Verified
78.6±4.6
#10/156Verifiedbest value
Vision
92.5±6.2Best
#3/91Verifiedbest value
78.4±4.8
#8/91Verified
Hard reasoning
91.6±5.1Best
#7/200Verified
86.9±3.7
#8/200Verifiedbest value
Agents
82.5±7.8
#11/178Verified
87.0±5.8Best
#4/178Verifiedbest value

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-6.1 Sol
Muse Spark 1.3
SWE-bench Verified
day 0
~#2/14~89.6%Estimated
  1. #1Claude Opus 596.0%
  2. ~#2GPT-6.1 SolEstimated89.6%
  3. #2Claude Sonnet 585.2%
estimated from related benchmarks
~#2/14~88.2%Estimated
  1. #1Claude Opus 596.0%
  2. ~#2Muse Spark 1.3Estimated88.2%
  3. #2Claude Sonnet 585.2%
estimated from related benchmarks
SWE-bench Pro (Public)
day 0
~#5/20~75.0%Estimated
  1. #1Claude Opus 5.589.9%
  2. #4Claude Opus 579.2%
  3. ~#5GPT-6.1 SolEstimated75.0%
  4. #5Intern-S2-397B68.5%
estimated from related benchmarks
~#5/20~70.5%Estimated
  1. #1Claude Opus 5.589.9%
  2. #4Claude Opus 579.2%
  3. ~#5Muse Spark 1.3Estimated70.5%
  4. #5Intern-S2-397B68.5%
estimated from related benchmarks
DeepSWE v1.1
day 0
#3/3473.2%BestVerified
  1. #1Gemini 4 Argon78.8%
  2. #2DeepSeek V4.1 Flash74.2%
  3. #3GPT-6.1 Sol73.2%
  4. #4Grok 4.772.6%
artificialanalysis.ai · 2026-10-02
#6/3471.7%Verified
  1. #1Gemini 4 Argon78.8%
  2. #5MiMo-V2.6-Pro71.9%
  3. #6Muse Spark 1.371.7%
  4. #7Claude Sonnet 5.571.0%
artificialanalysis.ai · 2026-09-24
Terminal-Bench 4.0
day 0
#5/8856.1%BestVerified
  1. #1Claude Sonnet 5.563.6%
  2. #4Gemini 4 Argon57.1%
  3. #5GPT-6.1 Sol56.1%
  4. #6Claude Fable 5.152.0%
artificialanalysis.ai · 2026-09-29
#13/8833.3%Verified
  1. #1Claude Sonnet 5.563.6%
  2. #12MiMo-V2.6-Pro34.8%
  3. #13Muse Spark 1.333.3%
  4. #13Step 5 Preview33.3%
artificialanalysis.ai · 2026-09-24
LiveCodeBench
third-party
~#7/25~87.3%Estimated
  1. #1Qwen3.8-Omni-Flash92.6%
  2. #6gpt-oss-120b87.8%
  3. ~#7GPT-6.1 SolEstimated87.3%
  4. #7Ternary Bonsai 27B82.8%
estimated from related benchmarks
~#7/25~86.9%Estimated
  1. #1Qwen3.8-Omni-Flash92.6%
  2. #6gpt-oss-120b87.8%
  3. ~#7Muse Spark 1.3Estimated86.9%
  4. #7Ternary Bonsai 27B82.8%
estimated from related benchmarks
SciCode
third-party
#20/10555.7%Verified
  1. #1Claude Opus 5.566.9%
  2. #19GPT-5.555.8%
  3. #20GPT-6.1 Sol55.7%
  4. #21Claude Haiku 5.555.0%
artificialanalysis.ai · 2026-09-29
#9/10558.8%BestVerified
  1. #1Claude Opus 5.566.9%
  2. #8Step 5 Preview58.9%
  3. #9Muse Spark 1.358.8%
  4. #10Gemini 3.1 Pro58.7%
artificialanalysis.ai · 2026-09-24
AA Coding Agent Index
third-party
#3/1762.9BestVerified
  1. #1Claude Opus 5.566.0
  2. #2Gemini 4 Argon63.8
  3. #3GPT-6.1 Sol62.9
  4. #4Claude Fable 5.162.2
artificialanalysis.ai · 2026-10-02
#9/1754.3Verified
  1. #1Claude Opus 5.566.0
  2. #8Grok 4.756.3
  3. #9Muse Spark 1.354.3
  4. #10GLM-5.353.6
artificialanalysis.ai · 2026-09-24
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-6.1 Sol
Muse Spark 1.3
IFBench
day 0
~#3/134~82.0%Estimated
  1. #1MiniMax-M382.9%
  2. #2Qwen3.8 2.4T A95B82.8%
  3. ~#3GPT-6.1 SolEstimated82.0%
  4. #3Qwen3.8-Omni-Flash81.5%
estimated from related benchmarks
~#9/134~80.2%Estimated
  1. #1MiniMax-M382.9%
  2. #8Nemotron Cascade 2 30B A3B80.4%
  3. ~#9Muse Spark 1.3Estimated80.2%
  4. #9Inkling79.8%
estimated from related benchmarks
MMMLU
day 0
~#2/5~91.3%Estimated
  1. #1Gemini 3.1 Pro92.6%
  2. ~#2GPT-6.1 SolEstimated91.3%
  3. #2Gemma 4 31B88.4%
estimated from related benchmarks
~#2/5~92.1%Estimated
  1. #1Gemini 3.1 Pro92.6%
  2. ~#2Muse Spark 1.3Estimated92.1%
  3. #2Gemma 4 31B88.4%
estimated from related benchmarks
LMArena Text, Non-English (Elo)
third-party
#11/561469Verified
  1. #1Gemini 4 ArgonFew votes1512
  2. #10Qwen3.8 Max (0902)1470
  3. #11GPT-6.1 Sol1469
  4. #12GLM-5.31463
lmarena.ai · 2026-10-02
#4/561487BestVerifiedFew votes
  1. #1Gemini 4 ArgonFew votes1512
  2. #3Claude Opus 5.51494
  3. #4Muse Spark 1.3Few votes1487
  4. #5Claude Opus 51483
lmarena.ai · 2026-09-25
LMArena Text (Elo)
third-party
#9/561483Verified
  1. #1Gemini 4 Argon1525
  2. #8Gemini 3.1 Pro1487
  3. #9GPT-6.1 Sol1483
  4. #10GPT-5.51482
lmarena.ai · 2026-10-02
#4/561493BestVerified
  1. #1Gemini 4 Argon1525
  2. #4Gemini 3.8 Flash1493
  3. #4Muse Spark 1.31493
  4. #6Claude Opus 51490
lmarena.ai · 2026-09-24
EQ-Bench Creative Writing v3 (Elo)
third-party
~#8/26~2015Estimated
  1. #1GPT-6 Astra2173
  2. #7Claude Opus 5.52050
  3. ~#8GPT-6.1 SolEstimated2015
  4. #8Grok 4.72007
estimated from related benchmarks
#9/251906Verified
  1. #1GPT-6 Astra2173
  2. #8Grok 4.72007
  3. #9Muse Spark 1.31906
  4. #10GPT-5.6 Terra1855
eqbench.com · 2026-09-24

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-6.1 Sol
Muse Spark 1.3
MMMU
day 0
~#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
~#2/3~71.3%Estimated
  1. #1Claude Haiku 4.573.2%
  2. ~#2Muse Spark 1.3Estimated71.3%
  3. #2Llama 4 Maverick69.4%
estimated from related benchmarks
MMMU-Pro
day 0
#3/8586.0%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
#9/8582.0%Verified
  1. #1Claude Opus 5.587.7%
  2. #8Gemini 3.1 Pro82.4%
  3. #9Muse Spark 1.382.0%
  4. #10Intern-S2-397B81.7%
artificialanalysis.ai · 2026-09-24
CharXiv Reasoning
day 0
~#2/9~85.9%Estimated
  1. #1Gemini 3.8 Flash86.2%
  2. ~#2GPT-6.1 SolEstimated85.9%
  3. #2Kimi K384.8%
estimated from related benchmarks
~#4/9~84.0%Estimated
  1. #1Gemini 3.8 Flash86.2%
  2. #3Qwen3.8 Flash-Next84.6%
  3. ~#4Muse Spark 1.3Estimated84.0%
  4. #4Qwen3.8-Omni-Flash83.5%
estimated from related benchmarks
OmniDocBench v1.5
third-party
~#2/8~91.1%Estimated
  1. #1MiniMax-M391.6%
  2. ~#2GPT-6.1 SolEstimated91.1%
  3. #2Kimi K391.1%
estimated from related benchmarks
~#4/8~90.5%Estimated
  1. #1MiniMax-M391.6%
  2. #2Qwen3.8 27B91.1%
  3. ~#4Muse Spark 1.3Estimated90.5%
  4. #4Gemini 3.1 Pro85.3%
estimated from related benchmarks
GDP.pdf (AA)
third-party
#1/4332.0%BestVerified
  1. #1GPT-6.1 Sol32.0%
  2. #2GPT-6 Astra31.0%
artificialanalysis.ai · 2026-10-07
#3/4326.6%Verified
  1. #1GPT-6.1 Sol32.0%
  2. #2GPT-6 Astra31.0%
  3. #3Muse Spark 1.326.6%
  4. #4Claude Fable 5.126.2%
artificialanalysis.ai · 2026-09-24
Chartography
third-party
~#4/24~47.0%Estimated
  1. #1GPT-6 Astra71.0%
  2. #3GPT-6 Sol53.6%
  3. ~#4GPT-6.1 SolEstimated47.0%
  4. #4Claude Haiku 5.546.4%
estimated from related benchmarks
#11/2327.6%Verified
  1. #1GPT-6 Astra71.0%
  2. #9Qwen3.8 Max (0902)29.1%
  3. #11Muse Spark 1.327.6%
  4. #12Claude Opus 527.3%
surgehq.ai · 2026-09-24

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-6.1 Sol
Muse Spark 1.3
GPQA Diamond
day 0
~#2/184~96.1%Estimated
  1. #1GPT-6 Astra96.1%
  2. ~#2GPT-6.1 SolEstimated96.1%
  3. #2Gemini 3.8 Flash95.3%
estimated from related benchmarks
#5/18393.5%Verified
  1. #1GPT-6 Astra96.1%
  2. #5Kimi K393.5%
  3. #5Muse Spark 1.393.5%
  4. #5Qwen3.8 2.4T A95B93.5%
artificialanalysis.ai · 2026-09-24
Humanity's Last Exam
day 0
#7/18452.9%BestVerified
  1. #1Claude Opus 5.561.4%
  2. #6GPT-6 Astra54.7%
  3. #7GPT-6.1 Sol52.9%
  4. #8MiMo-V2.6-Pro49.4%
artificialanalysis.ai · 2026-09-29
#9/18448.7%Verified
  1. #1Claude Opus 5.561.4%
  2. #8MiMo-V2.6-Pro49.4%
  3. #9Muse Spark 1.348.7%
  4. #10GPT-6 Sol47.9%
artificialanalysis.ai · 2026-09-24
AIME (latest)
day 0
~#2/32~99.1%Estimated
  1. #1GLM-5.3 NVFP499.5%
  2. ~#2GPT-6.1 SolEstimated99.1%
  3. #2Inkling97.1%
estimated from related benchmarks
~#2/32~99.0%Estimated
  1. #1GLM-5.3 NVFP499.5%
  2. ~#2Muse Spark 1.3Estimated99.0%
  3. #2Inkling97.1%
estimated from related benchmarks
AA Intelligence Index
third-party
#6/8551.8BestVerified
  1. #1Claude Opus 5.557.6
  2. #5Gemini 4 Argon52.6
  3. #6GPT-6.1 Sol51.8
  4. #7Claude Opus 550.8
artificialanalysis.ai · 2026-09-29
#8/8548.1Verified
  1. #1Claude Opus 5.557.6
  2. #7Claude Opus 550.8
  3. #8Muse Spark 1.348.1
  4. #9GPT-6 Sol47.5
artificialanalysis.ai · 2026-09-24

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-6.1 Sol
Muse Spark 1.3
τ²-bench (Telecom)
day 0
~#3/118~98.2%Estimated
  1. #1Step 3.7 Flash98.5%
  2. #2DeepSeek-V4-Pro-0813-nvfp4-DSpark98.3%
  3. ~#3GPT-6.1 SolEstimated98.2%
  4. #3Gemini 3.1 Pro95.6%
estimated from related benchmarks
~#2/118~98.3%Estimated
  1. #1Step 3.7 Flash98.5%
  2. ~#2Muse Spark 1.3Estimated98.3%
  3. #2DeepSeek-V4-Pro-0813-nvfp4-DSpark98.3%
estimated from related benchmarks
OSWorld-Verified
day 0
~#3/12~83.7%Estimated
  1. #1Kimi K384.8%
  2. #2Qwen3.8 27B84.3%
  3. ~#3GPT-6.1 SolEstimated83.7%
  4. #3Nex-N2.5-Pro82.2%
estimated from related benchmarks
~#3/12~84.2%Estimated
  1. #1Kimi K384.8%
  2. #2Qwen3.8 27B84.3%
  3. ~#3Muse Spark 1.3Estimated84.2%
  4. #3Nex-N2.5-Pro82.2%
estimated from related benchmarks
OSWorld 2.0
day 0
~#3/5~56.9%Estimated
  1. #1GLM-5.3 Flash59.1%
  2. #2Kimi K358.3%
  3. ~#3GPT-6.1 SolEstimated56.9%
  4. #3GPT-5.6 Terra50.2%
estimated from related benchmarks
~#3/5~57.8%Estimated
  1. #1GLM-5.3 Flash59.1%
  2. #2Kimi K358.3%
  3. ~#3Muse Spark 1.3Estimated57.8%
  4. #3GPT-5.6 Terra50.2%
estimated from related benchmarks
BrowseComp
day 0
~#5/18~90.7%Estimated
  1. #1Atria Dawn Preview92.5%
  2. #4Claude Opus 590.8%
  3. ~#5GPT-6.1 SolEstimated90.7%
  4. #5Nex-N2.5-Pro89.7%
estimated from related benchmarks
~#3/18~91.3%Estimated
  1. #1Atria Dawn Preview92.5%
  2. #2GPT-6 Astra91.5%
  3. ~#3Muse Spark 1.3Estimated91.3%
  4. #3Kimi K391.2%
estimated from related benchmarks
GDPval-AA (Elo)
third-party
#14/871575Verified
  1. #1Claude Opus 5.51866
  2. #13Qwen3.8 2.4T A95B1597
  3. #14GPT-6.1 Sol1575
  4. #15Step 5 Preview1566
artificialanalysis.ai · 2026-10-07
#6/871684BestVerified
  1. #1Claude Opus 5.51866
  2. #5MiMo-V2.6-Pro1686
  3. #6Muse Spark 1.31684
  4. #7Qwen3.8 Max (0902)1668
artificialanalysis.ai · 2026-10-07
AutomationBench-AA
third-party
#5/8166.6%BestVerified
  1. #1Claude Opus 5.569.5%
  2. #4Grok 4.667.0%
  3. #5GPT-6.1 Sol66.6%
  4. #6Grok 4.765.6%
artificialanalysis.ai · 2026-10-07
#16/8157.9%Verified
  1. #1Claude Opus 5.569.5%
  2. #15Kimi K358.3%
  3. #16Muse Spark 1.357.9%
  4. #17Qwen3.8 2.4T A95B57.2%
artificialanalysis.ai · 2026-09-24
τ-Bench Banking (AA)
third-party
~#10/90~45.0%Estimated
  1. #1Muse Spark 1.350.5%
  2. #9Qwen3.8 Flash-Next45.4%
  3. ~#10GPT-6.1 SolEstimated45.0%
  4. #10Gemini 3.8 Flash44.9%
estimated from related benchmarks
#1/8950.5%Verified
  1. #1Muse Spark 1.350.5%
  2. #2GLM-5.350.3%
artificialanalysis.ai · 2026-09-24
Not comparable across labs (2)
OSWorld 2.0 (offline set v2026.08.08)
day 0
#2/471.4%Lab-reported
  1. #1GPT-6 Astra72.6%
  2. #2GPT-6.1 Sol71.4%
  3. #3GPT-6 Sol64.4%
vellum.ai · 2026-09-29
—
OSWorld 2.0 (release not stated)
day 0
—
#1/466.9%Lab-reported
  1. #1Muse Spark 1.366.9%
  2. #2Nex-N2.5-Pro56.4%
dev.meta.ai · 2026-09-02