| Signal | Composer 2 Fast | Delta | GPT-4 |
|---|---|---|---|
Capabilities | 50 | -- | |
Pricing | 8 | -52 | |
Context window size | 84 | +22 | |
Recency | 100 | +100 | |
Output Capacity | 80 | +20 | |
| Overall Result | 3 wins | of 5 | 1 wins |
9
days higher
5
days
16
days higher
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OpenAI
Composer 2 Fast saves you $5475.00/month
That's $65700.00/year compared to GPT-4 at your current usage level of 100K calls/month.
| Metric | Composer 2 Fast | GPT-4 | Winner |
|---|---|---|---|
| Overall Score | 40 | 40 | -- |
| Rank | #300 | #298 | GPT-4 |
| Quality Rank | #300 | #298 | GPT-4 |
| Adoption Rank | #300 | #298 | GPT-4 |
| Parameters | -- | -- | -- |
| Context Window | 200K | 8K | Composer 2 Fast |
| Pricing | $1.50/$7.50/M | $30.00/$60.00/M | -- |
| Signal Scores | |||
| Capabilities | 50 | 50 | Composer 2 Fast |
| Pricing | 8 | 60 | GPT-4 |
| Context window size | 84 | 62 | Composer 2 Fast |
| Recency | 100 | 0 | Composer 2 Fast |
| Output Capacity | 80 | 60 | Composer 2 Fast |
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%). Here's what the scores mean for these two models:
Scores 40/100 (rank #300), placing it in the top -3% of all 290 models tracked.
Scores 40/100 (rank #298), placing it in the top -2% of all 290 models tracked.
With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.
Composer 2 Fast offers 90% better value per quality point. At 1M tokens/day, you'd spend $135.00/month with Composer 2 Fast vs $1350.00/month with GPT-4 - a $1215.00 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. Composer 2 Fast also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (200K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($7.50/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content
Composer 2 Fast and GPT-4 are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Composer 2 Fast
Marginally better benchmark scores; both are excellent
Best for Cost
Composer 2 Fast
90% lower pricing; better value at scale
Best for Reliability
Composer 2 Fast
Higher uptime and faster response speeds
Best for Prototyping
Composer 2 Fast
Stronger community support and better developer experience
Best for Production
Composer 2 Fast
Wider enterprise adoption and proven at scale
by Cursor
| Capability | Composer 2 Fast | GPT-4 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoningdiffers | ||
| Web Search | ||
| Image Output |
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OpenAI
Composer 2 Fast saves you $114.30/month
That's 91% cheaper than GPT-4 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 Fast | GPT-4 |
|---|---|---|
| Context Window | 200K | 8K |
| Max Output Tokens | 65,536 | 4,096 |
| Open Source | No | No |
| Created | Dec 1, 2025 | May 28, 2023 |
Both Composer 2 Fast and GPT-4 score 40/100, making them extremely close competitors. Choose based on pricing, provider ecosystem, or specific capability requirements.
Composer 2 Fast is ranked #300 and GPT-4 is ranked #298 out of 290+ AI models. Rankings use a composite score combining benchmark performance (90%) from MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations, with capabilities and context window as tiebreakers (10%). Scores update hourly.
Composer 2 Fast is cheaper at $7.50/M output tokens vs GPT-4's $60.00/M output tokens - 8.0x more expensive. Input token pricing: Composer 2 Fast at $1.50/M vs GPT-4 at $30.00/M.
Composer 2 Fast has a larger context window of 200,000 tokens compared to GPT-4's 8,191 tokens. A larger context window means the model can process longer documents and conversations.