| Signal | GPT-5.1 Chat | Delta | GPT-5.4 Mini |
|---|---|---|---|
Capabilities | 83 | -17 | |
Benchmarks | 88 | -2 | |
Pricing | 90 | -5 | |
Context window size | 81 | -8 | |
Recency | 100 | -- | |
Output Capacity | 70 | -15 | |
| Overall Result | 0 wins | of 6 | 5 wins |
Score History
86.6
current score
GPT-5.1 Chat
right now
79.3
current score
OpenAI
OpenAI
GPT-5.4 Mini saves you $325.00/month
That's $3900.00/year compared to GPT-5.1 Chat at your current usage level of 100K calls/month.
| Metric | GPT-5.1 Chat | GPT-5.4 Mini | Winner |
|---|---|---|---|
| Overall Score | 87 | 79 | GPT-5.1 Chat |
| Rank | #24 | #43 | GPT-5.1 Chat |
| Quality Rank | #24 | #43 | GPT-5.1 Chat |
| Adoption Rank | #24 | #43 | GPT-5.1 Chat |
| Parameters | -- | -- | -- |
| Context Window | 128K | 400K | GPT-5.4 Mini |
| Pricing | $1.25/$10.00/M | $0.75/$4.50/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 100 | GPT-5.4 Mini |
| Benchmarks | 88 | 90 | GPT-5.4 Mini |
| Pricing | 90 | 96 | GPT-5.4 Mini |
| Context window size | 81 | 89 | GPT-5.4 Mini |
| Recency | 100 | 100 | GPT-5.1 Chat |
| Output Capacity | 70 | 85 | GPT-5.4 Mini |
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 87/100 (rank #24), placing it in the top 92% of all 290 models tracked.
Scores 79/100 (rank #43), placing it in the top 86% of all 290 models tracked.
GPT-5.1 Chat has a 7-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
GPT-5.4 Mini offers 53% better value per quality point. At 1M tokens/day, you'd spend $78.75/month with GPT-5.4 Mini vs $168.75/month with GPT-5.1 Chat - a $90.00 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
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. GPT-5.4 Mini 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 ($4.50/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
GPT-5.1 Chat has a moderate advantage with a 7.299999999999997-point lead in composite score. It wins on more signal dimensions, but GPT-5.4 Mini has specific strengths that could make it the better choice for certain workflows.
Best for Quality
GPT-5.1 Chat
Marginally better benchmark scores; both are excellent
Best for Cost
GPT-5.4 Mini
53% lower pricing; better value at scale
Best for Reliability
GPT-5.1 Chat
Higher uptime and faster response speeds
Best for Prototyping
GPT-5.1 Chat
Stronger community support and better developer experience
Best for Production
GPT-5.1 Chat
Wider enterprise adoption and proven at scale
by OpenAI
| Capability | GPT-5.1 Chat | GPT-5.4 Mini |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Search | ||
| Image Output |
OpenAI
OpenAI
GPT-5.4 Mini saves you $7.50/month
That's 53% cheaper than GPT-5.1 Chat 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 Chat | GPT-5.4 Mini |
|---|---|---|
| Context Window | 128K | 400K |
| Max Output Tokens | 16,384 | 128,000 |
| Open Source | No | No |
| Created | Nov 13, 2025 | Mar 17, 2026 |