AI Models · Open-Source vs Paid

Muse Glimmer 30B Open vs GPT Chat Latest Paid

Muse Glimmer 30B vs GPT Chat Latest compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

Muse Glimmer 30BOpenMeta
$0.3 /M input
$1.1 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window131K tokens
MultimodalYes
Self-hostYes
GPT Chat LatestPaidOpenAI
$5 /M input
$30 /M outputManaged API (no infra to run)
TypeProprietary
Context window400K tokens
MultimodalYes
Self-hostNo
Choose Muse Glimmer 30B if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose GPT Chat Latest if you want frontier capability through a managed API with zero infrastructure to run.

Muse Glimmer 30B vs GPT Chat Latest specs

SpecMuse Glimmer 30BGPT Chat LatestWinner
MakerMetaOpenAI
TypeOpen-weightProprietaryMuse Glimmer 30B
Context window131K tokens400K tokensGPT Chat Latest
Input price$0.3/M · free self-host$5/MMuse Glimmer 30B
Output price$1.1/M · free self-host$30/MMuse Glimmer 30B
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)Muse Glimmer 30B
LicenseOpen weightsProprietaryMuse Glimmer 30B

Price gap & when to choose each

27×cheaper per output token

Muse Glimmer 30B is ~27× cheaper than GPT Chat Latest on output tokens ($1.1 vs $30 per M tokens).

Choose Muse Glimmer 30B if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose GPT Chat Latest if…
  • You want frontier performance through a managed API
  • You need the longer 400K context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityMuse Glimmer 30BGPT Chat Latest
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Muse Glimmer 30B vs GPT Chat Latest

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

Muse Glimmer 30B
GPT Chat Latest
Intelligence index
18.1
Coding index
49
GPQA
83.5%
Humanity's Last Exam
22%
Long Context Reasoning
83.3%
SciCode
44.9%
τ-Bench Banking
23.5%
Terminal-Bench
51.7%
Speed
93.8 tok/s
Latency
0.37s
Intelligence per $
28.4

Benchmark data by Artificial Analysis.

How Muse Glimmer 30B and GPT Chat Latest score

🏆 Best value & openness: Muse Glimmer 30B (4.6 vs 3.0 / 5)
CriterionMuse Glimmer 30BGPT Chat Latest
Cost-efficiency4.53.0
Context window3.54.5
Openness5.01.5
Self-hosting5.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

Muse Glimmer 30B Open

Meta · Open-weight

Muse Glimmer 30B is a dense, open-weight multimodal model from Meta Superintelligence Labs, distilled from Muse Spark and optimized for autonomous agents on consumer hardware. It is suited for long-horizon...

GPT Chat Latest Paid

OpenAI · Proprietary

GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
Muse Glimmer 30B (batch)

Frequently asked questions

Is Muse Glimmer 30B as good as GPT Chat Latest?

Muse Glimmer 30B is open-weight and competitive on many tasks, but GPT Chat Latest may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Muse Glimmer 30B locally?

Yes. Muse Glimmer 30B has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. GPT Chat Latest is API-only and cannot be self-hosted.

How much cheaper is Muse Glimmer 30B?

Muse Glimmer 30B costs $1.1/M output vs $30/M for GPT Chat Latest — roughly 27x cheaper via API, and free if you self-host.

Muse Glimmer 30B vs GPT Chat Latest — which should I pick in 2026?

Choose Muse Glimmer 30B if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose GPT Chat Latest if you want frontier capability through a managed API with zero infrastructure to run.

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