Muse Spark Open vs Qwen 3.8 27B
Pick a route and service tier under each model. Prices, the calculator and the verdicts follow your choice.
At a glance
Generated from the rows below
Choose Muse Spark Open for
- The largest context window: 1,048,576 tokens
- The only one that takes audio
Choose Qwen 3.8 27B for
- The lowest cost per typical request ($0.0006)
The models are statistically tied on the Epoch Capabilities Index: their 95% confidence intervals overlap.
Overview
Pricing
Prices on the route and tier chosen under each model
What will it cost?
Estimate a month of requests on the route and tier chosen for each model
Uses the route and tier chosen under each model, over 30 days. Cached input is billed at the cache-read rate.
Performance
Live gateway traffic
Activity
Tokens sent through Phaseo each day over the last 30 days
None of these models has had traffic through Phaseo in the last 30 days.
Features
Features from the parameters Phaseo routes support
Benchmarks
Only results that two or more of the selected models report get a row
Epoch Capabilities Index Independent
Higher is better · dot is the estimate, band is the 95% confidence interval · Epoch AI, CC BY 4.0
Every interval overlaps, so these models are statistically tied on this index.
Artificial Analysis Intelligence Index Independent
Higher is better · at Extra high effort · 2 of 2 models tested
Where they rank
The five leaders on each capability index, then the compared models. Each model at its best-scoring setting.
Artificial Analysis Intelligence Index42 models ranked
- #1Claude Opus 5.558.4
- #2GPT-6 Astra56.9
- #3GPT-6.1 Sol54.5
- #4Claude Sonnet 5.554.2
- #5GPT-6.1 Terra51.0
- #27Muse Spark Open24.7
- #29Qwen 3.8 27B20.1
Artificial Analysis Coding Index171 models ranked
- #1Claude Fable 5.181.6
- #2GPT 5.6 Sol78.3
- #3Claude Opus 578.0
- #4GPT-6 Astra77.1
- #5Grok 4.676.8
- #33Qwen 3.8 27B68.1
Artificial Analysis Agentic Index112 models ranked
- #1Claude Fable 5.157.9
- #2Claude Opus 556.5
- #3Qwen 3.8 Max 090256.0
- #4Muse Spark 1.355.5
- #5Qwen 3.8 Flash Next53.6
- #16Qwen 3.8 27B45.8
Epoch Capabilities Index164 models ranked
- #1GPT-6 Astra169.1
- #2Claude Opus 5.5168.4
- #3GPT-6.1 Terra168.1
- #4GPT-6.1 Sol167.8
- #5Claude Sonnet 5.5166.7
- #38Muse Spark Open155.1
- #53Qwen 3.8 27B151.8
Lab-reported results come from each lab’s own launch materials and may use different settings. Independent results come from third-party evaluators.
Providers
Routes Phaseo serves today, standard-tier prices per 1M tokens
Phaseo doesn’t route Muse Spark Open today.
Also listed, not routed by Phaseo: 9 providers
AI/ML API, Baseten, Doubleword, Fireworks, Groq, Modal, Nebius Token Factory, Together, Vercel AI Gateway
Shown for reference: other gateways’ listings and routes Phaseo has retired or disabled.
Details
Muse Spark Open vs Qwen 3.8 27B: side-by-side summary
Muse Spark Open is from Meta. It has a 1,048,576-token context window. On its cheapest route it costs $1.25 per 1M input tokens and $4.25 per 1M output tokens.
Qwen 3.8 27B is from Qwen. It has a 262,144-token context window. On its cheapest route it costs $0.17 per 1M input tokens and $0.50 per 1M output tokens.
Muse Spark Open model details, providers and pricingQwen 3.8 27B model details, providers and pricing
Muse Spark Open vs Qwen 3.8 27B at a glance
| Attribute | Muse Spark Open | Qwen 3.8 27B |
|---|---|---|
| Lab | Meta | Qwen |
| Input price per 1M tokens | $1.25 | $0.17 |
| Output price per 1M tokens | $4.25 | $0.50 |
| Context window | 1,048,576 tokens | 262,144 tokens |
| Max output | Not listed | 131,072 tokens |
| Artificial Analysis Intelligence Index | 24.7 (#27) | 20.1 (#29) |
Prices are each model's cheapest standard route on Phaseo. Benchmark ranks use each model's best-scoring evaluated setting.
Frequently asked questions
Which is cheaper, Muse Spark Open or Qwen 3.8 27B?
Qwen 3.8 27B is cheaper for both input and output tokens. Muse Spark Open costs $1.25 per 1M input tokens and $4.25 per 1M output tokens; Qwen 3.8 27B costs $0.17 and $0.50, each on its cheapest standard route on Phaseo.
Which has the longer context window, Muse Spark Open or Qwen 3.8 27B?
Muse Spark Open has the longer context window at 1,048,576 tokens, compared with 262,144 tokens for Qwen 3.8 27B.
Which scores higher on the Artificial Analysis Intelligence Index, Muse Spark Open or Qwen 3.8 27B?
Muse Spark Open scores higher on the Artificial Analysis Intelligence Index. Muse Spark Open scores 24.7, ranked #27 of 42. Qwen 3.8 27B scores 20.1, ranked #29 of 42.