GPT-5.6 Terra vs
Muse Spark 1.2

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
Estimated evidence
Published context
1,050,000
VS
Model type
Proprietary
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. Input API price: Muse Spark 1.2 has the lower verified rate ($1.25 / 1M tokens vs $2.5 / 1M tokens).
  2. Output API price: Muse Spark 1.2 has the lower verified rate ($4.25 / 1M tokens vs $15 / 1M tokens).
  3. Context window: GPT-5.6 Terra 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 Terra: 58.86 · Muse Spark 1.2: 56.48
  • CodingGPT-5.6 Terra: 69.29 · Muse Spark 1.2: 63.2
  • KnowledgeGPT-5.6 Terra: 84.2 · Muse Spark 1.2: 60.7
  • MathGPT-5.6 Terra: 97 · Muse Spark 1.2: Unavailable
  • MultimodalGroundedGPT-5.6 Terra: 71.4 · Muse Spark 1.2: Unavailable
  • ReasoningGPT-5.6 Terra: 78.1 · Muse Spark 1.2: Unavailable
  • OverallGPT-5.6 Terra: 72.95 · Muse Spark 1.2: 61.71

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 TerraMuse Spark 1.2
Agenticscore58.8656.48
Codingscore69.2963.2
Knowledgescore84.260.7
Mathscore97Unavailable
MultimodalGroundedscore71.4Unavailable
Reasoningscore78.1Unavailable
Overallscore72.9561.71

Agentic

Unit
score
GPT-5.6 Terra
58.86
Muse Spark 1.2
56.48

Coding

Unit
score
GPT-5.6 Terra
69.29
Muse Spark 1.2
63.2

Knowledge

Unit
score
GPT-5.6 Terra
84.2
Muse Spark 1.2
60.7

Math

Unit
score
GPT-5.6 Terra
97
Muse Spark 1.2
Unavailable

MultimodalGrounded

Unit
score
GPT-5.6 Terra
71.4
Muse Spark 1.2
Unavailable

Reasoning

Unit
score
GPT-5.6 Terra
78.1
Muse Spark 1.2
Unavailable

Overall

Unit
score
GPT-5.6 Terra
72.95
Muse Spark 1.2
61.71

Pricing and context

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

Route pricing and context comparison
FieldUnitGPT-5.6 TerraMuse Spark 1.2
Input API priceUSD / 1M tokens$2.5$1.25
Cached input API priceUSD / 1M tokens$0.25$0.15
Output API priceUSD / 1M tokens$15$4.25
Route contexttokens1,050,0001,000,000
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
GPT-5.6 Terra
$2.5
Muse Spark 1.2
$1.25

Cached input API price

Unit
USD / 1M tokens
GPT-5.6 Terra
$0.25
Muse Spark 1.2
$0.15

Output API price

Unit
USD / 1M tokens
GPT-5.6 Terra
$15
Muse Spark 1.2
$4.25

Route context

Unit
tokens
GPT-5.6 Terra
1,050,000
Muse Spark 1.2
1,000,000

Input modalities

Unit
published list
GPT-5.6 Terra
Not verified
Muse Spark 1.2
Not verified

Output modalities

Unit
published list
GPT-5.6 Terra
Not verified
Muse Spark 1.2
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 Terra — source benchlm · artifact models · model gpt-5-6-terra
  • Muse Spark 1.2 — source benchlm · artifact models · model muse-spark-1-2
Selected price routes
  • GPT-5.6 Terra — route benchlm:gpt-5-6-terra · source benchlm · provider openai
  • Muse Spark 1.2 — route benchlm:muse-spark-1-2 · source benchlm · provider meta

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