GPT-5.6 Sol vs
Hy4 preview

Read the published evidence, route context, and missing facts before making a local decision. This page does not name a universal winner.

Models in this comparison

Provider identity and evidence state stay balanced across the pair.

Model type
Proprietary
Evidence state
Supported evidence
Published context
1,050,000
VS
T
Model type
Open Weight
Evidence state
Estimated evidence
Published context
1,000,000

Key implications

Insufficient shared-metric coverage. Each finding is tied to a published metric, price, context, or modality fact.

  1. Context window: GPT-5.6 Sol has the larger published context window (1,050,000 tokens vs 1,000,000 tokens).

Shared metric view

A radar is shown only when at least four compatible supported score metrics are published.

Comparable metric detail

  • AgenticGPT-5.6 Sol: 68.88 · Hy4 preview: 69.97
  • CodingGPT-5.6 Sol: 79.01 · Hy4 preview: 68.92
  • KnowledgeGPT-5.6 Sol: 86 · Hy4 preview: 82.6
  • MathGPT-5.6 Sol: 97 · Hy4 preview: Unavailable
  • MultimodalGroundedGPT-5.6 Sol: 82.7 · Hy4 preview: 84
  • ReasoningGPT-5.6 Sol: 85.2 · Hy4 preview: Unavailable
  • OverallGPT-5.6 Sol: 82.2 · Hy4 preview: 79.16

Source metrics

Friendly metric names and published units stay visible. Missing measurements remain unavailable rather than becoming a score.

Source metric comparison
MetricUnitGPT-5.6 SolHy4 preview
Agenticscore68.8869.97
Codingscore79.0168.92
Knowledgescore8682.6
Mathscore97Unavailable
MultimodalGroundedscore82.784
Reasoningscore85.2Unavailable
Overallscore82.279.16

Agentic

Unit
score
GPT-5.6 Sol
68.88
Hy4 preview
69.97

Coding

Unit
score
GPT-5.6 Sol
79.01
Hy4 preview
68.92

Knowledge

Unit
score
GPT-5.6 Sol
86
Hy4 preview
82.6

Math

Unit
score
GPT-5.6 Sol
97
Hy4 preview
Unavailable

MultimodalGrounded

Unit
score
GPT-5.6 Sol
82.7
Hy4 preview
84

Reasoning

Unit
score
GPT-5.6 Sol
85.2
Hy4 preview
Unavailable

Overall

Unit
score
GPT-5.6 Sol
82.2
Hy4 preview
79.16

Pricing and context

Verification is shown beside each selected route. Missing facts remain Not verified.

Route pricing and context comparison
FieldUnitGPT-5.6 SolHy4 preview
Input API priceUSD / 1M tokens$5Not verified
Cached input API priceUSD / 1M tokens$0.5Not verified
Output API priceUSD / 1M tokens$30Not verified
Route contexttokens1,050,000Not verified
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
GPT-5.6 Sol
$5
Hy4 preview
Not verified

Cached input API price

Unit
USD / 1M tokens
GPT-5.6 Sol
$0.5
Hy4 preview
Not verified

Output API price

Unit
USD / 1M tokens
GPT-5.6 Sol
$30
Hy4 preview
Not verified

Route context

Unit
tokens
GPT-5.6 Sol
1,050,000
Hy4 preview
Not verified

Input modalities

Unit
published list
GPT-5.6 Sol
Not verified
Hy4 preview
Not verified

Output modalities

Unit
published list
GPT-5.6 Sol
Not verified
Hy4 preview
Not verified

Evidence provenance

Source records, route identity, timestamps, and methodology are consolidated here without declaring either model a winner.

Publication time
Aug 30, 2026, 2:15 AM UTC
Freshness
Stale — Published weekly benchmark evidence has not refreshed within 8 days.
Methodology
benchlm: benchlm_raw_composite
Model records
  • GPT-5.6 Sol — source benchlm · artifact models · model gpt-5-6-sol
  • Hy4 preview — source benchlm · artifact models · model hy4-preview
Selected price routes
  • GPT-5.6 Sol — route benchlm:gpt-5-6-sol · source benchlm · provider openai
  • Hy4 preview — Not published

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