| Signal | Composer 2 | Delta | Grok 4.1 Fast |
|---|---|---|---|
Capabilities | 50 | -50 | |
Pricing | 3 | +2 | |
Context window size | 84 | -16 | |
Recency | 100 | -- | |
Output Capacity | 80 | +6 | |
Benchmarks | 0 | -76 | |
| Overall Result | 2 wins | of 6 | 3 wins |
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Cursor
xAI
Grok 4.1 Fast saves you $130.00/month
That's $1560.00/year compared to Composer 2 at your current usage level of 100K calls/month.
| Metric | Composer 2 | Grok 4.1 Fast | Winner |
|---|---|---|---|
| Overall Score | 76 | 87 | Grok 4.1 Fast |
| Rank | #103 | #16 | Grok 4.1 Fast |
| Quality Rank | #103 | #16 | Grok 4.1 Fast |
| Adoption Rank | #103 | #16 | Grok 4.1 Fast |
| Parameters | -- | -- | -- |
| Context Window | 200K | 2000K | Grok 4.1 Fast |
| Pricing | $0.50/$2.50/M | $0.20/$0.50/M | -- |
| Signal Scores | |||
| Capabilities | 50 | 100 | Grok 4.1 Fast |
| Pricing | 3 | 1 | Composer 2 |
| Context window size | 84 | 100 | Grok 4.1 Fast |
| Recency | 100 | 100 | Composer 2 |
| Output Capacity | 80 | 75 | Composer 2 |
| Benchmarks | -- | 76 | Grok 4.1 Fast |
Our composite score (0–100) combines six weighted signals: benchmark performance (25%), pricing efficiency (25%), context window size (15%), model recency (15%), output capacity (10%), and capability versatility (10%). Here's what the scores mean for these two models:
Scores 76/100 (rank #103), placing it in the top 65% of all 290 models tracked.
Scores 87/100 (rank #16), placing it in the top 95% of all 290 models tracked.
Grok 4.1 Fast has a 11-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
Grok 4.1 Fast offers 77% better value per quality point. At 1M tokens/day, you'd spend $10.50/month with Grok 4.1 Fast vs $45.00/month with Composer 2 - a $34.50 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
Higher benchmark score (0/100) indicates stronger performance on coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Faster response time (speed score 0/100) is critical for user-facing chat. Grok 4.1 Fast also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (2000K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.50/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (87/100) 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
Grok 4.1 Fast clearly outperforms Composer 2 with a significant 10.5-point lead. For most general use cases, Grok 4.1 Fast is the stronger choice. However, Composer 2 may still excel in niche scenarios.
Best for Quality
Composer 2
Marginally better benchmark scores; both are excellent
Best for Cost
Grok 4.1 Fast
77% lower pricing; better value at scale
Best for Reliability
Composer 2
Higher uptime and faster response speeds
Best for Prototyping
Composer 2
Stronger community support and better developer experience
Best for Production
Composer 2
Wider enterprise adoption and proven at scale
by Cursor
| Capability | Composer 2 | Grok 4.1 Fast |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
Cursor
xAI
Grok 4.1 Fast saves you $2.94/month
That's 75% cheaper than Composer 2 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 | Composer 2 | Grok 4.1 Fast |
|---|---|---|
| Context Window | 200K | 2M |
| Max Output Tokens | 65,536 | 30,000 |
| Open Source | No | No |
| Created | Dec 1, 2025 | Nov 19, 2025 |
Grok 4.1 Fast scores 87/100 (rank #16) compared to Composer 2's 76/100 (rank #103), giving it a 11-point advantage. Grok 4.1 Fast is the stronger overall choice, though Composer 2 may excel in specific areas like certain benchmarks.
Composer 2 is ranked #103 and Grok 4.1 Fast is ranked #16 out of 290+ AI models. Rankings use a composite score combining benchmark performance (25%), pricing (25%), context window (15%), recency (15%), output capacity (10%), and versatility (10%). Scores update hourly.
Grok 4.1 Fast is cheaper at $0.50/M output tokens vs Composer 2's $2.50/M output tokens - 5.0x more expensive. Input token pricing: Composer 2 at $0.50/M vs Grok 4.1 Fast at $0.20/M.
Grok 4.1 Fast has a larger context window of 2,000,000 tokens compared to Composer 2's 200,000 tokens. A larger context window means the model can process longer documents and conversations.