AI Models · Open-Source vs Paid

Granite 4.2 8B Open vs Muse Spark 1.2 Paid

Granite 4.2 8B vs Muse Spark 1.2 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

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

Granite 4.2 8BOpenIBM
$0.06 /M input
$0.25 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window131K tokens
MultimodalNo
Self-hostYes
Muse Spark 1.2PaidMeta
$1.25 /M input
$4.25 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose Granite 4.2 8B if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Muse Spark 1.2 if you want frontier capability through a managed API with zero infrastructure to run.

Granite 4.2 8B vs Muse Spark 1.2 specs

SpecGranite 4.2 8BMuse Spark 1.2Winner
MakerIBMMeta–
TypeOpen-weightProprietaryGranite 4.2 8B
Context window131K tokens1M tokensMuse Spark 1.2
Input price$0.06/M · free self-host$1.25/MGranite 4.2 8B
Output price$0.25/M · free self-host$4.25/MGranite 4.2 8B
Vision / multimodalNoYesMuse Spark 1.2
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)Granite 4.2 8B
LicenseApache 2.0ProprietaryGranite 4.2 8B

Price gap & when to choose each

17×cheaper per output token

Granite 4.2 8B is ~17× cheaper than Muse Spark 1.2 on output tokens ($0.25 vs $4.25 per M tokens).

Choose Granite 4.2 8B if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose Muse Spark 1.2 if…
  • You want frontier performance through a managed API
  • You need the longer 1M context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGranite 4.2 8BMuse Spark 1.2
Open weights (downloadable)✓✗
Self-hostable✓✗
Runs fully offline✓✗
Vision / multimodal✗✓
Tool / function calling✓✓
1M+ context window✗✓

Benchmarks: Granite 4.2 8B vs Muse Spark 1.2

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

Granite 4.2 8B delivers 5.2× more intelligence per dollar.
Granite 4.2 8B
Muse Spark 1.2
Intelligence index
11.1
39.6
Coding index
22.4
72.2
GPQA
63.1%
90.4%
Humanity's Last Exam
9.7%
45.5%
Long Context Reasoning
45%
79%
SciCode
31.5%
57.4%
τ-Bench Banking
7.6%
34.8%
Terminal-Bench
18.4%
80.1%
Speed
41.3 tok/s
0 tok/s
Latency
0.4s
0s
Intelligence per $
103.7
19.8

Benchmark data by Artificial Analysis.

How Granite 4.2 8B and Muse Spark 1.2 score

🏆 Best value & openness: Granite 4.2 8B (4.4 vs 3.3 / 5)
CriterionGranite 4.2 8BMuse Spark 1.2
Cost-efficiency5.04.0
Context window3.55.0
Openness5.01.5
Self-hosting5.01.0
Multimodality3.55.0

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

Granite 4.2 8B Open

IBM · Open-weight

Granite 4.2 8B is a dense reasoning model from IBM. It is suited for mathematics, code generation, multilingual dialogue, and agentic workflows that need multi-step reasoning. It supports full, low-effort,...

Muse Spark 1.2 Paid

Meta · Proprietary

Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context window....

Frequently asked questions

Is Granite 4.2 8B as good as Muse Spark 1.2?

Granite 4.2 8B is open-weight and competitive on many tasks, but Muse Spark 1.2 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Granite 4.2 8B locally?

Yes. Granite 4.2 8B has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Muse Spark 1.2 is API-only and cannot be self-hosted.

How much cheaper is Granite 4.2 8B?

Granite 4.2 8B costs $0.25/M output vs $4.25/M for Muse Spark 1.2 — roughly 17x cheaper via API, and free if you self-host.

Granite 4.2 8B vs Muse Spark 1.2 — which should I pick in 2026?

Choose Granite 4.2 8B if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Muse Spark 1.2 if you want frontier capability through a managed API with zero infrastructure to run.

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