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GPT 5.6 Sol vs Muse Spark 1.1

At a glance
OpenAIGPT 5.6 Sol

OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.

1.1M ctx$5.00/$30.00 per M
MetaMuse Spark 1.1

Meta's multimodal reasoning model built for agentic work and real-world coding.

1.0M ctx$1.25/$4.25 per M
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
OpenAIGPT 5.6 Sol
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Reasoning & Knowledge
Graduate Science94.6%Expert-Level—
Agentic
Terminal Tasks88.8%
MetaMuse Spark 1.1
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Cheaper
Reasoning & Knowledge
Graduate Science—Expert-Level52.2%
Agentic
Terminal Tasks80.0%
Specs
OpenAIGPT 5.6 Sol
1.1M
Context
128K
Max output
Jul 2026
Released
MetaMuse Spark 1.1
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
OpenAIGPT 5.6 Sol
Vision
Audio
Reasoning
MetaMuse Spark 1.1
Vision
Audio
Reasoning
Pricing
OpenAIGPT 5.6 Sol
Live pricing, shown before you run
Input$5.00/M tokens
Output$30.00/M tokens
Cache read$0.50/M tokens
Web search$0.01/search
MetaMuse Spark 1.1
Live pricing, shown before you run
Input$1.25/M tokens
Output$4.25/M tokens
Cache read$0.15/M tokens
Web search$0.003/search
Chat with GPT 5.6 SolGo to model
Chat with Muse Spark 1.1Go to model
Frequently Asked Questions: GPT 5.6 Sol vs Muse Spark 1.1▼

Which is better, GPT 5.6 Sol or Muse Spark 1.1?

▼

Both GPT 5.6 Sol and Muse Spark 1.1 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT 5.6 Sol or Muse Spark 1.1?

▼

Muse Spark 1.1 has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. Muse Spark 1.1: $1.25 input / $4.25 output.

Which has a larger context window, GPT 5.6 Sol or Muse Spark 1.1?

▼

GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs Muse Spark 1.1 at 1M tokens.

Do both GPT 5.6 Sol and Muse Spark 1.1 support vision?

▼

Yes, both GPT 5.6 Sol and Muse Spark 1.1 support vision/image input.

What are the key differences between GPT 5.6 Sol and Muse Spark 1.1?

▼

Key differences: Muse Spark 1.1 is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 5.6 Sol and Muse Spark 1.1 for free on idapt.app to see which performs better for your specific needs.

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