| Signal | Claude 3.5 Sonnet | Delta | GPT-5.1 |
|---|---|---|---|
Capabilities | 50 | -50 | |
Benchmarks | 78 | +4 | |
Pricing | 30 | +20 | |
Context window size | 84 | -5 | |
Recency | 39 | -61 | |
Output Capacity | 65 | -20 | |
| Overall Result | 2 wins | of 6 | 4 wins |
0
days ranked higher
0
days
30
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Anthropic
OpenAI
GPT-5.1 saves you $1475.00/month
That's $17700.00/year compared to Claude 3.5 Sonnet at your current usage level of 100K calls/month.
| Metric | Claude 3.5 Sonnet | GPT-5.1 | Winner |
|---|---|---|---|
| Overall Score | 66 | 85 | GPT-5.1 |
| Rank | #181 | #21 | GPT-5.1 |
| Quality Rank | #181 | #21 | GPT-5.1 |
| Adoption Rank | #181 | #21 | GPT-5.1 |
| Parameters | -- | -- | -- |
| Context Window | 200K | 400K | GPT-5.1 |
| Pricing | $6.00/$30.00/M | $1.25/$10.00/M | -- |
| Signal Scores | |||
| Capabilities | 50 | 100 | GPT-5.1 |
| Benchmarks | 78 | 74 | Claude 3.5 Sonnet |
| Pricing | 30 | 10 | Claude 3.5 Sonnet |
| Context window size | 84 | 89 | GPT-5.1 |
| Recency | 39 | 100 | GPT-5.1 |
| Output Capacity | 65 | 85 | GPT-5.1 |
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 66/100 (rank #181), placing it in the top 38% of all 290 models tracked.
Scores 85/100 (rank #21), placing it in the top 93% of all 290 models tracked.
GPT-5.1 has a 19-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
GPT-5.1 offers 69% better value per quality point. At 1M tokens/day, you'd spend $168.75/month with GPT-5.1 vs $540.00/month with Claude 3.5 Sonnet - a $371.25 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
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. GPT-5.1 also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (400K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($10.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (85/100) 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 clearly outperforms Claude 3.5 Sonnet with a significant 19.299999999999997-point lead. For most general use cases, GPT-5.1 is the stronger choice. However, Claude 3.5 Sonnet may still excel in niche scenarios.
Best for Quality
Claude 3.5 Sonnet
Marginally better benchmark scores; both are excellent
Best for Cost
GPT-5.1
69% lower pricing; better value at scale
Best for Reliability
Claude 3.5 Sonnet
Higher uptime and faster response speeds
Best for Prototyping
Claude 3.5 Sonnet
Stronger community support and better developer experience
Best for Production
Claude 3.5 Sonnet
Wider enterprise adoption and proven at scale
by Anthropic
| Capability | Claude 3.5 Sonnet | GPT-5.1 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoningdiffers | ||
| Web Searchdiffers | ||
| Image Output |
Anthropic
OpenAI
GPT-5.1 saves you $32.55/month
That's 70% cheaper than Claude 3.5 Sonnet 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 | Claude 3.5 Sonnet | GPT-5.1 |
|---|---|---|
| Context Window | 200K | 400K |
| Max Output Tokens | 8,192 | 128,000 |
| Open Source | No | No |
| Created | Oct 22, 2024 | Nov 13, 2025 |
GPT-5.1 scores 85/100 (rank #21) compared to Claude 3.5 Sonnet's 66/100 (rank #181), giving it a 19-point advantage. GPT-5.1 is the stronger overall choice, though Claude 3.5 Sonnet may excel in specific areas like certain benchmarks.
Claude 3.5 Sonnet is ranked #181 and GPT-5.1 is ranked #21 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.
GPT-5.1 is cheaper at $10.00/M output tokens vs Claude 3.5 Sonnet's $30.00/M output tokens - 3.0x more expensive. Input token pricing: Claude 3.5 Sonnet at $6.00/M vs GPT-5.1 at $1.25/M.
GPT-5.1 has a larger context window of 400,000 tokens compared to Claude 3.5 Sonnet's 200,000 tokens. A larger context window means the model can process longer documents and conversations.