AI Model Comparison

Muse Spark Open vs Claude Opus 5.5

Compare on pricing, benchmarks, zero data retention, EU hosting, providers, and context.

Key info

What each model gives you per call. Prices reflect the cheapest available route on Opper.

Input
Output
Features
Context window
1Mtokens
Max output
—
Input price
$1.25/ 1M tokens
Output price
$4.25/ 1M tokens

Use cases

How each model scores on the jobs people pick a model for, from 0 to 100. The rank is among every model on Opper with that score.

CodingFrontierCode 2.0 and Terminal-Bench 4.0
7.8
AgentsTerminal-Bench 4.0 and AutomationBench
28.9#41 of 86
LegalLegal tasks and reasoning
39.6#15 of 41
FinanceFinance and accounting
42.0#18 of 41
HealthcareHealthcare and medical
39.1#16 of 38

Benchmarks

Overall intelligence and speed. Higher is better for both; output speed is averaged across providers.

Intelligence Index
Output speed
177 t/s

Available routes & privacy

Every provider hosting this model on Opper. Routes are sorted best-privacy first, so EU regions and zero data retention rise to the top.

RoutesProvider, region, ZDR & training posture.
Fireworks
RegionMulti
ZDR
TrainingNo
Nebius
RegionMulti
ZDR
TrainingNo

One API key, every model you compared

EU-hosted, zero data retention on supported routes, pass-through pricing. Drop-in OpenAI SDK compatible, so you can switch between models without changing your code.