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Beam 1.0 501B A23B vs Muse Spark Open

At a glance

Reflection's open-weight reasoning model for coding and long-horizon agentic workflows.

1.0M ctx$1.00/$3.00 per M

Meta's strongest open-weight model, trained specifically for agentic 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
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper25%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
1.0M
Context
256K
Max output
Oct 2026
Released
1.0M
Context
256K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input20%$1.00/M tokens
Output29%$3.00/M tokens
Cache read33%$0.10/M tokens
Live pricing, shown before you run
Input$1.25/M tokens
Output$4.25/M tokens
Cache read$0.15/M tokens
Chat with Beam 1.0 501B A23BGo to model
Chat with Muse Spark OpenGo to model
Frequently Asked Questions: Beam 1.0 501B A23B vs Muse Spark Open▼

Which is better, Beam 1.0 501B A23B or Muse Spark Open?

▼

Both Beam 1.0 501B A23B and Muse Spark Open 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, Beam 1.0 501B A23B or Muse Spark Open?

▼

Beam 1.0 501B A23B has a lower blended cost. Beam 1.0 501B A23B: $1.00 input / $3.00 output. Muse Spark Open: $1.25 input / $4.25 output.

Which has a larger context window, Beam 1.0 501B A23B or Muse Spark Open?

▼

Beam 1.0 501B A23B has a larger context window: Beam 1.0 501B A23B supports 1M tokens vs Muse Spark Open at 1M tokens.

Do both Beam 1.0 501B A23B and Muse Spark Open support vision?

▼

Muse Spark Open supports vision/image input, but Beam 1.0 501B A23B does not.

What are the key differences between Beam 1.0 501B A23B and Muse Spark Open?

▼

Key differences: only Muse Spark Open supports vision input. 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 Beam 1.0 501B A23B and Muse Spark Open for free on idapt.app to see which performs better for your specific needs.

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