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gpt-oss-120b vs Muse Glimmer 30B

gpt-oss-120b

OpenAI

40#232
vs
Signal-by-Signal Comparison
Signalgpt-oss-120bDeltaMuse Glimmer 30B
Capabilities
67
-17
83
Benchmarks
46
+46
0
Pricing
100
+1
99
Context window size
81
--
81
Recency
65
-35
100
Output Capacity
85
+65
20
Overall Result
3 wins
of 6
2 wins
gpt-oss-120b wins 3 of 6 signals

Score History

Score History (26 data points)
gpt-oss-120bMuse Glimmer 30B
gpt-oss-120b

40.4

current score

Leader

gpt-oss-120b

right now

Muse Glimmer 30B

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

gpt-oss-120b

OpenAI

Best Value
Per request$0.000122
Daily$0.41
Monthly$12.20
Annual$146.40

Muse Glimmer 30B

meta

Per request$0.001100
Daily$3.67
Monthly$110.00
Annual$1320.00

gpt-oss-120b saves you $97.80/month

That's $1173.60/year compared to Muse Glimmer 30B at your current usage level of 100K calls/month.

89% cheaper
Choose gpt-oss-120b for cost optimization

gpt-oss-120b pricing:
Input:$0.04/M tokens
Output:$0.17/M tokens
Muse Glimmer 30B pricing:
Input:$0.35/M tokens
Output:$1.50/M tokens
Winner
gpt-oss-120b

OpenAI

40

Composite Score

Muse Glimmer 30B

meta

40

Composite Score

Signal-by-Signal Comparison
Metricgpt-oss-120bMuse Glimmer 30BWinner
Overall Score
40
40
gpt-oss-120b
Rank#232#235
gpt-oss-120b
Quality Rank#232#235
gpt-oss-120b
Adoption Rank#232#235
gpt-oss-120b
Parameters120B30B--
Context Window131K131K--
Pricing$0.04/$0.17/M$0.35/$1.50/M--
Signal Scores
Capabilities
67
83
Muse Glimmer 30B
Benchmarks
46
--
gpt-oss-120b
Pricing
100
99
gpt-oss-120b
Context window size
81
81
gpt-oss-120b
Recency
65
100
Muse Glimmer 30B
Output Capacity
85
20
gpt-oss-120b
Benchmark Head-to-Head(2 benchmarks)
gpt-oss-120b: 0Muse Glimmer: 0
gpt-oss-120b
Muse Glimmer
Normalized 0-100%
SWE-bench Verified
26%-
Arena Elo
1352-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

gpt-oss-120bEntry Level

Scores 40/100 (rank #232), placing it in the top 20% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Muse Glimmer 30BEntry Level

Scores 40/100 (rank #235), placing it in the top 19% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose gpt-oss-120b when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Muse Glimmer 30B when you need:

  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
gpt-oss-120bBest Value
Input cost$0.04/M tokens
Output cost$0.17/M tokens
Cost per quality point$0.005
Est. monthly (1M tokens/day)$3.10
Muse Glimmer 30B
Input cost$0.35/M tokens
Output cost$1.50/M tokens
Cost per quality point$0.046
Est. monthly (1M tokens/day)$27.75

gpt-oss-120b offers 89% better value per quality point. At 1M tokens/day, you'd spend $3.10/month with gpt-oss-120b vs $27.75/month with Muse Glimmer 30B - a $24.64 monthly difference.

Latency & Speed
gpt-oss-120bFaster
Speed score0/100
Muse Glimmer 30B
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

gpt-oss-120b

Customer support chatbot

Suitable for user-facing chat with competitive response times. gpt-oss-120b also offers lower per-token costs for high-volume support

gpt-oss-120b

Long document analysis

Larger context window (131K tokens) can process longer documents, contracts, and research papers in a single pass

gpt-oss-120b

Batch data extraction

Lower output pricing ($0.17/M) reduces costs when processing thousands of records daily

gpt-oss-120b

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

gpt-oss-120b

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Muse Glimmer 30B
Which Should You Choose?
Our recommendation:
gpt-oss-120b

gpt-oss-120b and Muse Glimmer 30B are extremely close in overall performance (only 0.3999999999999986 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

gpt-oss-120b
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 89% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by meta

Consider for specialized use cases.

Capability Comparison
Capabilitygpt-oss-120bMuse Glimmer 30B
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

gpt-oss-120b

OpenAI

Best Value
$0.2706
estimated monthly cost

Muse Glimmer 30B

meta

$2.43
estimated monthly cost

gpt-oss-120b saves you $2.16/month

That's 89% cheaper than Muse Glimmer 30B at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
Parametergpt-oss-120bMuse Glimmer 30B
Context Window131K131K
Max Output Tokens131,072--
Open SourceYesYes
CreatedAug 5, 2025Aug 9, 2026
Last updated: 53m ago

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