AI Models · Paid vs Paid

GPT-5.6 Sol (batch) Paid vs Muse Spark 1.1 Paid

GPT-5.6 Sol (batch) vs Muse Spark 1.1 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

GPT-5.6 Sol (batch)PaidOpenAI
$1 /M input
$5 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
Muse Spark 1.1PaidMeta
$1.25 /M input
$4.25 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose Muse Spark 1.1 for the lower output price ($4.25/M vs $5/M). Choose GPT-5.6 Sol (batch) if you need the larger 1.1M context window.

GPT-5.6 Sol (batch) vs Muse Spark 1.1 specs

SpecGPT-5.6 Sol (batch)Muse Spark 1.1Winner
MakerOpenAIMeta
TypeProprietaryProprietary
Context window1.1M tokens1M tokensGPT-5.6 Sol (batch)
Input price$1/M$1.25/MGPT-5.6 Sol (batch)
Output price$5/M$4.25/MMuse Spark 1.1
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

Choose GPT-5.6 Sol (batch) if…
  • You want frontier performance through a managed API
  • You need the longer 1.1M context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose Muse Spark 1.1 if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT-5.6 Sol (batch)Muse Spark 1.1
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-5.6 Sol (batch) vs Muse Spark 1.1

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

Muse Spark 1.1 delivers 2.9× more intelligence per dollar.
GPT-5.6 Sol (batch)
Muse Spark 1.1
Intelligence index
47.1
34.3
Coding index
77.4
71.3
GPQA
94.1%
89.8%
Humanity's Last Exam
49.5%
46.2%
Long Context Reasoning
84%
77.7%
SciCode
57.1%
58.8%
IFBench
72.7%
τ²-Bench
85.1%
τ-Bench Banking
44.3%
31.8%
Terminal-Bench
88%
77.9%
Terminal-Bench Hard
65.9%
Speed
68.7 tok/s
0 tok/s
Latency
124.83s
0s
Intelligence per $
5.9
17.2

Benchmark data by Artificial Analysis.

How GPT-5.6 Sol (batch) and Muse Spark 1.1 score

🤝 Neck and neck on these criteria (3.3 vs 3.3 / 5).
CriterionGPT-5.6 Sol (batch)Muse Spark 1.1
Cost-efficiency4.04.0
Context window5.05.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

GPT-5.6 Sol (batch) Paid

OpenAI · Proprietary

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...

Muse Spark 1.1 Paid

Meta · Proprietary

Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
GPT-5.6 Terra (batch)GPT-5.4GPT-5.4 (batch)GPT-5.5GPT-5.5 (batch)GPT-5.6 Luna (batch)GPT-5.3-CodexGPT-5.2GPT-5.2 (batch)GPT-5.2-CodexGPT-5.1GPT-5.1 (batch)GPT-5.1-CodexGPT-5GPT-5 (batch)GPT-5.5 ProGPT-5.4 ProGPT-5.2 ProGPT-5 ProGPT-5.5 Pro (batch)GPT-5.4 Pro (batch)GPT-5.2 Pro (batch)GPT-5 Pro (batch)GPT-5.4 Image 2GPT-5.6 Terra ProGPT-5.6 Sol ProGPT-5.1-Codex-MaxGPT-5 ImageGPT-5.6 Terra Pro (batch)GPT-5.6 Sol Pro (batch)GPT-5.6 Luna ProGPT-5.6 Luna Pro (batch)

Frequently asked questions

GPT-5.6 Sol (batch) vs Muse Spark 1.1 — which is cheaper?

Muse Spark 1.1 is cheaper on output ($4.25/M vs $5/M).

Which has the larger context window?

GPT-5.6 Sol (batch) offers the larger context window (1.1M tokens).

GPT-5.6 Sol (batch) vs Muse Spark 1.1 — which should I pick in 2026?

Choose Muse Spark 1.1 for the lower output price ($4.25/M vs $5/M). Choose GPT-5.6 Sol (batch) if you need the larger 1.1M context window.

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