OpenAI · Meta
GPT-5.6 Terra vs Muse Spark 1.2
Compare GPT-5.6 Terra (OpenAI) and Muse Spark 1.2 (Meta) on benchmarks, capabilities, and pricing.
At a glance
| GPT-5.6 Terra | Muse Spark 1.2 | |
|---|---|---|
| Provider | OpenAI | Meta |
| Context | 1M tokens | 1M tokens |
| Modality | Multimodal | Multimodal |
| Pricing | Pro | Pro |
| Speed | Medium | Medium |
| Reasoning | Expert | Expert |
Benchmarks
GPT-5.6 Terra
- AA Intelligence Index
- Output speed
- 102.35tokens/sConfiguration: Prompt length: 1,000 · Parallel queries: 1Artificial Analysis · Date unknownAge unknown
- API input cost
- API output cost
- Context window
- 1MCatalog · As of Aug 11, 2026Stale · 37d old
Benchmark variant: GPT-5.6 Terra (max)
AA data retrieved Sep 17, 2026 · Artificial Analysis
Muse Spark 1.2
- AA Intelligence Index
- Output speed
- 270.21tokens/sConfiguration: Prompt length: 1,000 · Parallel queries: 1Artificial Analysis · Date unknownAge unknown
- API input cost
- API output cost
- Context window
- 1MEstimated · As of Aug 13, 2026Stale · 35d old
Benchmark variant: Muse Spark 1.2 (xhigh)
AA data retrieved Sep 17, 2026 · Artificial Analysis
Try both on yno.ai
Switch between GPT-5.6 Terra and Muse Spark 1.2 per task with one account.
Frequently asked
- Which is faster, GPT-5.6 Terra or Muse Spark 1.2?
- GPT-5.6 Terra is rated medium and Muse Spark 1.2 is rated medium. yno.ai surfaces output-speed scores from Artificial Analysis on each model's detail page so you can compare exact tokens-per-second figures for your workload.
- Which is cheaper, GPT-5.6 Terra or Muse Spark 1.2?
- GPT-5.6 Terra is on the pro tier in yno.ai; Muse Spark 1.2 is on the pro tier. See the pricing page for the latest per-tier limits.
- Which is better for Default production workloads?
- Both models support Default production workloads. GPT-5.6 Terra brings 1.05M context / 128K output; Muse Spark 1.2 brings Codebase understanding. Run a side-by-side eval on your prompts in yno.ai to see which fits your workload.
- Can I use both GPT-5.6 Terra and Muse Spark 1.2 in yno.ai?
- Yes. Both are available on yno.ai under your single account; you can route different stages of an agent to different models or A/B test them on the same prompt without per-provider boilerplate.