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Model comparison

GPT-5.6 Sol vs ZAYA1-74B-Preview

Data verified

Head-to-head evidence from 2 shared benchmark results across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.

81.96/100
No comparison
3 category wins0 category wins

Public leaderboard positions: GPT-5.6 Sol #3 (Supported); ZAYA1-74B-Preview unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GPT-5.6 Sol and ZAYA1-74B-Preview share 2 comparable benchmark results. 3 of 8 categories are comparable. 44 results are unique to GPT-5.6 Sol; 5 to ZAYA1-74B-Preview.

Updated July 23, 2026
Shared results
2
GPT-5.6 Sol only
44
ZAYA1-74B-Preview only
5
Comparable categories
3 / 8

Treat this as a split decision. GPT-5.6 Sol makes more sense if knowledge is the priority or you need the larger 1M context window; ZAYA1-74B-Preview is the better fit if you want the cheaper token bill.

Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 1 evidence category; 3 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

GPT-5.6 Sol and ZAYA1-74B-Preview finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

GPT-5.6 Sol is also the more expensive model on tokens at $5.00 input / $30.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for ZAYA1-74B-Preview. That is roughly Infinityx on output cost alone. GPT-5.6 Sol gives you the larger context window at 1M, compared with 256K for ZAYA1-74B-Preview.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for GPT-5.6 Sol and ZAYA1-74B-Preview
CategoryGPT-5.6 SolΔZAYA1-74B-Preview
KnowledgeGPT-5.6 Sol94.6Margin 28.5ZAYA1-74B-Preview66.1
CodingGPT-5.6 Sol64.6Margin 11.4ZAYA1-74B-Preview53.2
MathGPT-5.6 Sol87.5Margin 11.1ZAYA1-74B-Preview76.4
AgenticGPT-5.6 Sol92.0MarginNo overlapZAYA1-74B-PreviewNot measured
MultimodalGPT-5.6 Sol83.0MarginNo overlapZAYA1-74B-PreviewNot measured

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · GPT-5.6 SolB · ZAYA1-74B-Preview
  1. GPQA

    Knowledge
    Source ↗
    A 94.6%B 57.3%
    Winner: GPT-5.6 SolΔ 37.3
    GPQA: GPT-5.6 Sol scored 94.6%; ZAYA1-74B-Preview scored 57.3%. GPT-5.6 Sol wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricGPT-5.6 SolZAYA1-74B-PreviewComparison
Input / output priceUSD per 1M tokensGPT-5.6 Sol$5 input / $30 outputZAYA1-74B-Preview$0 input / $0 outputZAYA1-74B-Preview has the lower combined listed price.
Generation speedtokens per secondGPT-5.6 SolNot availableZAYA1-74B-PreviewNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGPT-5.6 SolNot availableZAYA1-74B-PreviewNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGPT-5.6 Sol1MZAYA1-74B-Preview256KGPT-5.6 Sol lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGPT-5.6 SolZAYA1-74B-PreviewResult
Terminal-Bench 2.0Source 91.9%Not comparable
BrowseCompSource 92.2%Not comparable
OSWorld 2.0Source 62.6%Not comparable
CyberGymSource 84.5%Not comparable
ExploitGymSource 33.7%Not comparable
ToolathlonSource 58%Not comparable
AA Agentic IndexSource 54.0%Not comparable
τ²-bench resultsSource 85.1%Not comparable
GDPval-AASource 61.8%Not comparable
GDPval-AASource 1736Not comparable
AA BriefcaseSource 1501Not comparable
AA ITBenchSource 56.2%Not comparable
AA Tau3 BankingSource 33.0%Not comparable
AA AutomationBenchSource 51.2%Not comparable
AA Harvey LABSource 87.2%Not comparable
terminalBenchHardSource 65.9%Not comparable
aaTerminalBench21Source 88%Not comparable
τ²-bench AirlineSource 56.1%Not comparable
CodingGPT-5.6 Sol wins
BenchmarkGPT-5.6 SolZAYA1-74B-PreviewResult
SWE-bench ProSource 64.6%Not comparable
Terminal-Bench 2.0Source 91.9%Not comparable
deepSweSource 72.7%Not comparable
FrontierCode 1.1 ExtendedSource 60.6%Not comparable
cursorBench32Source 67.2%Not comparable
VulcanBench v3Source 87.0%Not comparable
AA Coding IndexSource 77.4%Not comparable
AA-SciCodeSource 56.1%Not comparable
LiveCodeBench v6Source 65.7%Not comparable
SWE-bench VerifiedSource 53.2%Not comparable
Reasoning
BenchmarkGPT-5.6 SolZAYA1-74B-PreviewResult
ARC-AGI-3Source 7.8%Not comparable
GeneBench-ProSource 28.7%Not comparable
AA-LCRSource 73.7%Not comparable
CritPtSource 32.3%Not comparable
KnowledgeGPT-5.6 Sol wins
BenchmarkGPT-5.6 SolZAYA1-74B-PreviewResult
GPQASource 94.6%57.3%GPT-5.6 Sol leads
GPQA-DSource 94.6%57.3%GPT-5.6 Sol leads
HealthBench ProfessionalSource 60.5%Not comparable
HealthBench HardSource 33.1%Not comparable
Artificial Analysis Intelligence IndexSource 58.9%Not comparable
AA-GPQA DiamondSource 94.1%Not comparable
AA-HLESource 47.2%Not comparable
AA-Omniscience IndexSource 21.7%Not comparable
AA-Omniscience AccuracySource 58.5%Not comparable
AA-Omniscience Hallucination RateSource 88.8%Not comparable
MMLU-ProSource 68.1%Not comparable
MathGPT-5.6 Sol wins
BenchmarkGPT-5.6 SolZAYA1-74B-PreviewResult
FrontierMath (legacy)Source 89%Not comparable
FrontierMath v2 (Tiers 1-3)Source 89.000%Not comparable
FrontierMath v2 (Tier 4)Source 83.000%Not comparable
AIME26Source 76.4%Not comparable
Multimodal
BenchmarkGPT-5.6 SolZAYA1-74B-PreviewResult
MMMU-ProSource 83%Not comparable
MMMU-Pro w/ PythonSource 84.6%Not comparable
AA-MMMU-ProSource 83.4%Not comparable
Inst. Following
BenchmarkGPT-5.6 SolZAYA1-74B-PreviewResult
AA-IFBenchSource 72.7%Not comparable
Frequently Asked Questions (4)

Which is better, GPT-5.6 Sol or ZAYA1-74B-Preview?

GPT-5.6 Sol and ZAYA1-74B-Preview are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

Which is better for knowledge tasks, GPT-5.6 Sol or ZAYA1-74B-Preview?

GPT-5.6 Sol has the edge for knowledge tasks in this comparison, averaging 94.6 versus 66.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5.6 Sol or ZAYA1-74B-Preview?

GPT-5.6 Sol has the edge for coding in this comparison, averaging 64.6 versus 53.2. ZAYA1-74B-Preview stays close enough that the answer can still flip depending on your workload.

Which is better for math, GPT-5.6 Sol or ZAYA1-74B-Preview?

GPT-5.6 Sol has the edge for math in this comparison, averaging 87.5 versus 76.4. ZAYA1-74B-Preview stays close enough that the answer can still flip depending on your workload.

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Last updated: July 23, 2026

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