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GPT 6.1 Sol vs Muse Spark 1.3

At a glance

OpenAI's upgraded high-end GPT-6.1 tier, positioned below the flagship GPT 6 Astra.

1.1M ctx$2.00/$10.00 per M

Meta's latest multimodal reasoning model for long-running agentic, multi-agent, and coding workflows.

1.0M ctx$1.25/$4.25 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science95.4%Factual Recall73.9%
Math
Competition Math1%100.0%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Cheaper50%
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math99.2%
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
1.0M
Context
256K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$2.00/M tokens
Output$10.00/M tokens
Cache read33%$0.10/M tokens
Cache write$2.50/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input38%$1.25/M tokens
Output57%$4.25/M tokens
Cache read$0.15/M tokens
Web search75%$0.003/search
Chat with GPT 6.1 SolGo to model
Chat with Muse Spark 1.3Go to model
Frequently Asked Questions: GPT 6.1 Sol vs Muse Spark 1.3▼

Which is better, GPT 6.1 Sol or Muse Spark 1.3?

▼

Both GPT 6.1 Sol and Muse Spark 1.3 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 6.1 Sol or Muse Spark 1.3?

▼

Muse Spark 1.3 has a lower blended cost. GPT 6.1 Sol: $2.00 input / $10.00 output. Muse Spark 1.3: $1.25 input / $4.25 output.

Which has a larger context window, GPT 6.1 Sol or Muse Spark 1.3?

▼

GPT 6.1 Sol has a larger context window: GPT 6.1 Sol supports 1.1M tokens vs Muse Spark 1.3 at 1M tokens.

Do both GPT 6.1 Sol and Muse Spark 1.3 support vision?

▼

Yes, both GPT 6.1 Sol and Muse Spark 1.3 support vision/image input.

What are the key differences between GPT 6.1 Sol and Muse Spark 1.3?

▼

GPT 6.1 Sol and Muse Spark 1.3 have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.

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 6.1 Sol and Muse Spark 1.3 for free on idapt.app to see which performs better for your specific needs.

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