GPT Chat Latest vs Muse Spark 1.1
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT Chat Latest and Muse Spark 1.1.
GPT Chat Latest
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...
Muse Spark 1.1
Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context...
Technical Specifications
| Specification | GPT Chat Latest | Muse Spark 1.1 |
|---|---|---|
| Provider | OpenAI | Meta |
| Context Window | 400,000 tokens | 1,048,576 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2026-05-05 | 2026-07-16 |
API Pricing Comparison
Input Price per Million Tokens
GPT Chat Latest
$5.00
Muse Spark 1.1
$1.25
Output Price per Million Tokens
GPT Chat Latest
$30.00
Muse Spark 1.1
$4.25
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GPT Chat Latest Quirks & Gotchas
No developer gotchas reported.
Muse Spark 1.1 Quirks & Gotchas
No developer gotchas reported.