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Fireworks AI vs Meta
Meta's closed Muse API is new, cheap and multimodal. Fireworks is an established open-model host with fine-tuning and enterprise certifications.
By The Subconscious Team · Updated
Fireworks AI vs Meta: key differences
Meta now runs a closed model API, which makes it a model vendor rather than a host. The Meta Model API, in public preview since July 2026, serves Muse Spark 1.3 with 1M context at $1.25 in and $4.25 out, and speaks OpenAI, Anthropic and a stateful agentic format. The same key reaches Muse Image at $0.01 per image and transcription at $0.18 per audio hour. Fireworks sells access to other labs' open weights, 400+ models across text, vision, audio and embeddings, served fast on its own stack.
Maturity and control lean toward Fireworks. Meta's API has a short track record, and its cheapest Contributor tier, $0.10 in and $0.20 out, requires letting Meta train on your prompts and cuts rate limits from 3,000 to 100 requests per minute. Fireworks carries SOC 2, HIPAA and ISO and lets teams fine-tune with SFT, DPO or RL at base serving price. Meta's case is a competitive agentic model at mid-tier prices plus cheap image and speech on one bill. For self-hosting, Meta also ships the open-weight Muse Glimmer.
What Fireworks AI and Meta do
Fireworks AI
Fireworks AI was founded in 2022 by former Meta PyTorch engineers led by CEO Lin Qiao, and it sells speed on open models. Its custom serving stack has posted 167 to 174 tokens per second on DeepSeek V4 Pro in third-party measurements, several times what most GPU peers hit on the same model. The catalog holds 400+ models across text, vision, audio and embeddings, served through an OpenAI-compatible API. In July 2026 it raised a $1.505B Series D at a $17.5B valuation, with a reported $1B+ run rate and 40T+ tokens a day.
Example models: DeepSeek V4 Pro, Kimi K3
Full Fireworks AI profileMeta
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 profileShould you choose Fireworks AI or Meta?
Fireworks AI
Choose Fireworks AI for
- Production traffic that cannot be shared for training
- Fine-tuning an open model to your task
- Choosing among 400+ open models on one API
Meta
Choose Meta for
- Cheap prototyping on the Contributor tier when data sharing is fine
- Image generation and transcription on the same key as the LLM
- A 1M-context agentic model behind OpenAI or Anthropic formats
Fireworks AI vs Meta at a glance
| Attribute | Fireworks AI | Meta |
|---|---|---|
| Model access | Open weights | Closed API; open Muse Glimmer |
| Flagship models | DeepSeek V4 Pro, Kimi K3 | Muse Spark 1.3, Muse Glimmer |
| Speed | 167–174 tok/s on DeepSeek V4 Pro | ~145–233 tok/s on Muse Spark 1.3 |
| Price | Fine-tunes served at base price | $1.25 in, $4.25 out; Contributor tier cheaper |
| Customization | SFT, DPO, RFT; Training API | Open Muse Glimmer weights to fine-tune |
| Deployment | Serverless, dedicated GPUs | Meta Model API (preview) |
| Long context | Full 1M on DeepSeek V4 Pro | 1M |
Frequently asked questions
What is the difference between Fireworks AI and Meta?
Meta's closed Muse API is new, cheap and multimodal. Fireworks is an established open-model host with fine-tuning and enterprise certifications.
When should I choose Fireworks AI over Meta?
Production traffic that cannot be shared for training; Fine-tuning an open model to your task; Choosing among 400+ open models on one API.
When should I choose Meta over Fireworks AI?
Cheap prototyping on the Contributor tier when data sharing is fine; Image generation and transcription on the same key as the LLM; A 1M-context agentic model behind OpenAI or Anthropic formats.
Is Fireworks AI or Meta cheaper?
Fireworks AI: Fine-tunes served at base price. Meta: $1.25 in, $4.25 out; Contributor tier cheaper. The cheaper choice depends on the model and workload.
Which has more context, Fireworks AI or Meta?
Fireworks AI: Full 1M on DeepSeek V4 Pro. Meta: 1M.
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If your agents run past 200K tokens, compare both against Subconscious. Our inference stack treats a long-horizon trace as the primary workload, so speed, cost, and accuracy hold up deep into the trace.