Anthropic
Claude Sonnet 4 (latest)
Balanced Claude model for coding, analysis, agent workflows, and cost control
- Context
- 200K
- Max output
- 64K
- Input / 1M
- —
- Output / 1M
- —
- Output speed
- —
Accepts
- Text input
- Image input
- PDF input
Produces
- Text output
AI model comparison
Compare recorded price, context, output limits, speed, latency, capabilities, and input/output support. Every missing value stays visible, and unsourced benchmarks are excluded.
Claude Sonnet 4 (latest) and Muse Spark 1.1 both come up when teams are choosing a model for production work, and the honest answer usually depends on your workload rather than a leaderboard. This page puts their published specifications side by side — context window, token pricing, supported inputs and outputs — so you can see where they actually differ.
Anthropic
Balanced Claude model for coding, analysis, agent workflows, and cost control
Accepts
Produces
Meta
Muse Spark is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration.
Accepts
Produces
At a glance
This is a directional summary of the values recorded in this directory—not a universal quality verdict. Test the finalists on your own prompts before committing.
Where Claude Sonnet 4 (latest) leads in recorded data
Where Muse Spark 1.1 leads in recorded data
Context capacity
Higher listed limit
Claude Sonnet 4 (latest):200K
Muse Spark 1.1:1M
Muse Spark 1.1
Maximum output
Higher listed limit
Claude Sonnet 4 (latest):64K
Muse Spark 1.1:32K
Claude Sonnet 4 (latest)
Input price
Lower recorded price
Claude Sonnet 4 (latest):—
Muse Spark 1.1:$1.25
No complete comparison
Output price
Lower recorded price
Claude Sonnet 4 (latest):—
Muse Spark 1.1:$4.25
No complete comparison
Output speed
Higher recorded throughput
Claude Sonnet 4 (latest):—
Muse Spark 1.1:—
No complete comparison
Time to first token
Lower recorded latency
Claude Sonnet 4 (latest):—
Muse Spark 1.1:—
No complete comparison
Intelligence Index
Higher directory index
Claude Sonnet 4 (latest):—
Muse Spark 1.1:—
No complete comparison
Evidence
A score appears only when both records include a verified source. It is not treated as a universal ranking.
Specifications
| Specification | Claude Sonnet 4 (latest) | Muse Spark 1.1 |
|---|---|---|
| Provider | Anthropic | Meta |
| Model family | claude-sonnet | muse |
| Accepted inputs | text, image, pdf | text, image, pdf, video |
| Produced outputs | text | text |
| Context window | 200K | 1MRecorded lead |
| Max output | 64KRecorded lead | 32K |
| Intelligence Index | — | — |
| Input price / 1M | — | $1.25 |
| Output price / 1M | — | $4.25 |
| Output speed | — | — |
| Time to first token | — | — |
| Reasoning mode | Documented | Documented |
| Tool calling | Documented | Documented |
| Image input | Documented | Documented |
| Audio input | Not documented | Not documented |
| Structured output | Not documented | Documented |
| License | Proprietary | Proprietary |
| Released | May 22, 2025 | Apr 8, 2026 |
Workload guidance
On the published numbers, Muse Spark 1.1 accepts the larger context window. Which matters more depends on whether your bottleneck is document size or spend — the table above has the exact figures.
Provenance
Prices and hosted performance can change. SyncDev records source references and clearly separates documented specifications from measured values; confirm commercial terms with the provider before deployment.
Claude Sonnet 4 (latest)
Anthropic · model record and recorded source
Muse Spark 1.1
Meta · model record and recorded source
Choose any two approved model records and review them with the same evidence rules.