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Meta vs Particle.AI

Both offer 1M context at low prices. Meta sells its own closed Muse Spark; Particle AI serves cheap Flash-class open models through Vercel AI Gateway.

By The Subconscious Team · Updated

Meta vs Particle.AI: key differences

On price, Particle AI undercuts Meta's standard tier. Its Vercel AI Gateway listings include GLM 5.3 Flash at $0.10 in and $0.40 out and DeepSeek V4.1 Flash at $0.25 in and $1 out, all with 1M context and cache reads at $0.03 per million. Meta's Muse Spark 1.3 costs $1.25 in and $4.25 out with 1M context, and cached input at $0.15. Meta's Contributor tier, at $0.10 in and $0.20 out, matches Particle's floor, but only if Meta can train on your traffic.

The bigger difference is what each company is. Particle is a very early startup, still hiring its founding team, with a tiny catalog, little public track record and slow latency on some listings, like 3.5 seconds on DeepSeek V4.1 Flash. Meta is a giant, but its Model API is a preview with a short record of its own. Meta brings a stronger agentic model plus image and speech APIs. Particle works best as a cheap fallback route inside a multi-provider gateway.

What Meta and Particle.AI do

Meta

Meta has moved from open Llama releases toward its own closed API. Meta Superintelligence Labs builds the Muse family, and in July 2026 Meta opened a public preview of the Meta Model API with Muse Spark 1.1, a multimodal reasoning model aimed at agentic coding, tool use and computer use. The current lineup runs through Muse Spark 1.3 with a 1M token context. Standard pricing is $1.25 in and $4.25 out per million tokens, with cached input at $0.15, and the endpoint speaks OpenAI Chat Completions, Anthropic Messages and a stateful agentic format.

Example models: Muse Spark 1.3, Muse Glimmer

Full Meta profile

Particle.AI

Particle AI is an early San Francisco infrastructure startup with a mission to make intelligence as cheap and abundant as electricity. The team works on post-training, inference optimization and distributed systems, all aimed at pushing down cost per unit of intelligence. It is still hiring its founding team and works fully in person. Public detail about funding and founders is thin as of this writing.

Example models: DeepSeek V4.1 Flash, GLM 5.3 Flash

Full Particle.AI profile

Should you choose Meta or Particle.AI?

Meta

Choose Meta for

  • A single agentic model for coding and computer use
  • Images and transcription next to text
  • Near-free prototyping when data sharing is acceptable

Particle.AI

Choose Particle.AI for

  • Low list prices on DeepSeek and GLM Flash models
  • A price-optimized route in Vercel AI Gateway
  • High-volume calls with 1M context

Meta vs Particle.AI at a glance

AttributeMetaParticle.AI
Model accessClosed API; open Muse GlimmerOpen weights
Flagship modelsMuse Spark 1.3, Muse GlimmerDeepSeek V4.1 Flash, GLM 5.3 Flash
Speed~145–233 tok/s on Muse Spark 1.3~157 tok/s on DeepSeek V4.1 Flash
Price$1.25 in, $4.25 out; Contributor tier cheaper$0.10 in, $0.40 out (GLM 5.3 Flash)
CustomizationOpen Muse Glimmer weights to fine-tuneUnknown
DeploymentMeta Model API (preview)Via Vercel AI Gateway
Long context1M1M

Frequently asked questions

What is the difference between Meta and Particle.AI?

Both offer 1M context at low prices. Meta sells its own closed Muse Spark; Particle AI serves cheap Flash-class open models through Vercel AI Gateway.

When should I choose Meta over Particle.AI?

A single agentic model for coding and computer use; Images and transcription next to text; Near-free prototyping when data sharing is acceptable.

When should I choose Particle.AI over Meta?

Low list prices on DeepSeek and GLM Flash models; A price-optimized route in Vercel AI Gateway; High-volume calls with 1M context.

Is Meta or Particle.AI cheaper?

Meta: $1.25 in, $4.25 out; Contributor tier cheaper. Particle.AI: $0.10 in, $0.40 out (GLM 5.3 Flash). The cheaper choice depends on the model and workload.

Which has more context, Meta or Particle.AI?

Meta: 1M. Particle.AI: 1M.

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