GPT-5.1-Codex-Mini vs Muse Spark 1.2 Contributor
| Signal | GPT-5.1-Codex-Mini | Delta | Muse Spark 1.2 Contributor |
|---|---|---|---|
Capabilities | 100 | -- | |
Benchmarks | 88 | +88 | |
Pricing | 98 | -2 | |
Context window size | 89 | -7 | |
Recency | 76 | -24 | |
Output Capacity | 82 | -14 | |
| Overall Result | 1 wins | of 6 | 4 wins |
Score History
87.8
current score
GPT-5.1-Codex-Mini
right now
40
current score
GPT-5.1-Codex-Mini
OpenAI
Muse Spark 1.2 Contributor
meta
Muse Spark 1.2 Contributor saves you $105.00/month
That's $1260.00/year compared to GPT-5.1-Codex-Mini at your current usage level of 100K calls/month.
| Metric | GPT-5.1-Codex-Mini | Muse Spark 1.2 Contributor | Winner |
|---|---|---|---|
| Overall Score | 88 | 40 | GPT-5.1-Codex-Mini |
| Rank | #59 | #270 | GPT-5.1-Codex-Mini |
| Quality Rank | #59 | #270 | GPT-5.1-Codex-Mini |
| Adoption Rank | #59 | #270 | GPT-5.1-Codex-Mini |
| Parameters | -- | -- | -- |
| Context Window | 400K | 1049K | Muse Spark 1.2 Contributor |
| Pricing | $0.25/$2.00/M | $0.10/$0.20/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 100 | GPT-5.1-Codex-Mini |
| Benchmarks | 88 | -- | GPT-5.1-Codex-Mini |
| Pricing | 98 | 100 | Muse Spark 1.2 Contributor |
| Context window size | 89 | 96 | Muse Spark 1.2 Contributor |
| Recency | 76 | 100 | Muse Spark 1.2 Contributor |
| Output Capacity | 82 | 96 | Muse Spark 1.2 Contributor |
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.
Scores 88/100 (rank #59), placing it in the top 80% of all 290 models tracked.
Scores 40/100 (rank #270), placing it in the top 7% of all 290 models tracked.
GPT-5.1-Codex-Mini has a 48-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Choose GPT-5.1-Codex-Mini when you need:
- Step-by-step reasoning and chain-of-thought problem solving
Choose Muse Spark 1.2 Contributor when you need:
- High-volume production workloads where API costs must be minimized
- Processing long documents or large codebases (1049K token context)
- Step-by-step reasoning and chain-of-thought problem solving
Muse Spark 1.2 Contributor offers 87% better value per quality point. At 1M tokens/day, you'd spend $4.50/month with Muse Spark 1.2 Contributor vs $33.75/month with GPT-5.1-Codex-Mini - a $29.25 monthly difference.
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.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Muse Spark 1.2 Contributor also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.20/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (88/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-5.1-Codex-Mini clearly outperforms Muse Spark 1.2 Contributor with a significant 47.8-point lead. For most general use cases, GPT-5.1-Codex-Mini is the stronger choice. However, Muse Spark 1.2 Contributor may still excel in niche scenarios.
By Use Case
Best for Quality
GPT-5.1-Codex-Mini
Marginally better benchmark scores; both are excellent
Best for Cost
Muse Spark 1.2 Contributor
87% lower pricing; better value at scale
Best for Reliability
GPT-5.1-Codex-Mini
Higher uptime and faster response speeds
Best for Prototyping
GPT-5.1-Codex-Mini
Stronger community support and better developer experience
Best for Production
GPT-5.1-Codex-Mini
Wider enterprise adoption and proven at scale
by OpenAI
- Choose for Quality - Marginally better benchmark scores; both are excellent
- 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
| Capability | GPT-5.1-Codex-Mini | Muse Spark 1.2 Contributor |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
GPT-5.1-Codex-Mini
OpenAI
Muse Spark 1.2 Contributor
meta
Muse Spark 1.2 Contributor saves you $2.43/month
That's 85% cheaper than GPT-5.1-Codex-Mini 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.
| Parameter | GPT-5.1-Codex-Mini | Muse Spark 1.2 Contributor |
|---|---|---|
| Context Window | 400K | 1.0M |
| Max Output Tokens | 128,000 | 943,718 |
| Open Source | No | No |
| Created | Nov 13, 2025 | Aug 21, 2026 |