| Signal | Gemini 3 Flash Preview | Delta | GPT-5.1 |
|---|---|---|---|
Capabilities | 83 | -17 | |
Benchmarks | 87 | -2 | |
Pricing | 97 | +7 | |
Context window size | 96 | +7 | |
Recency | 100 | -- | |
Output Capacity | 80 | -5 | |
| Overall Result | 2 wins | of 6 | 3 wins |
Score History
87.6
current score
GPT-5.1
right now
87.8
current score
OpenAI
Gemini 3 Flash Preview saves you $425.00/month
That's $5100.00/year compared to GPT-5.1 at your current usage level of 100K calls/month.
| Metric | Gemini 3 Flash Preview | GPT-5.1 | Winner |
|---|---|---|---|
| Overall Score | 88 | 88 | GPT-5.1 |
| Rank | #16 | #14 | GPT-5.1 |
| Quality Rank | #16 | #14 | GPT-5.1 |
| Adoption Rank | #16 | #14 | GPT-5.1 |
| Parameters | -- | -- | -- |
| Context Window | 1049K | 400K | Gemini 3 Flash Preview |
| Pricing | $0.50/$3.00/M | $1.25/$10.00/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 100 | GPT-5.1 |
| Benchmarks | 87 | 88 | GPT-5.1 |
| Pricing | 97 | 90 | Gemini 3 Flash Preview |
| Context window size | 96 | 89 | Gemini 3 Flash Preview |
| Recency | 100 | 100 | Gemini 3 Flash Preview |
| Output Capacity | 80 | 85 | GPT-5.1 |
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 #16), placing it in the top 95% of all 290 models tracked.
Scores 88/100 (rank #14), placing it in the top 96% 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.
Gemini 3 Flash Preview offers 69% better value per quality point. At 1M tokens/day, you'd spend $52.50/month with Gemini 3 Flash Preview vs $168.75/month with GPT-5.1 - a $116.25 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. Gemini 3 Flash Preview 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 ($3.00/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
Gemini 3 Flash Preview and GPT-5.1 are extremely close in overall performance (only 0.20000000000000284 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Gemini 3 Flash Preview
Marginally better benchmark scores; both are excellent
Best for Cost
Gemini 3 Flash Preview
69% lower pricing; better value at scale
Best for Reliability
Gemini 3 Flash Preview
Higher uptime and faster response speeds
Best for Prototyping
Gemini 3 Flash Preview
Stronger community support and better developer experience
Best for Production
Gemini 3 Flash Preview
Wider enterprise adoption and proven at scale
by Google
| Capability | Gemini 3 Flash Preview | GPT-5.1 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
OpenAI
Gemini 3 Flash Preview saves you $9.75/month
That's 68% cheaper than GPT-5.1 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 | Gemini 3 Flash Preview | GPT-5.1 |
|---|---|---|
| Context Window | 1.0M | 400K |
| Max Output Tokens | 65,536 | 128,000 |
| Open Source | No | No |
| Created | Dec 17, 2025 | Nov 13, 2025 |
GPT-5.1 scores 88/100 (rank #14) compared to Gemini 3 Flash Preview's 88/100 (rank #16), giving it a 0-point advantage. GPT-5.1 is the stronger overall choice, though Gemini 3 Flash Preview may excel in specific areas like cost efficiency.
Gemini 3 Flash Preview is ranked #16 and GPT-5.1 is ranked #14 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.
Gemini 3 Flash Preview is cheaper at $3.00/M output tokens vs GPT-5.1's $10.00/M output tokens - 3.3x more expensive. Input token pricing: Gemini 3 Flash Preview at $0.50/M vs GPT-5.1 at $1.25/M.
Gemini 3 Flash Preview has a larger context window of 1,048,576 tokens compared to GPT-5.1's 400,000 tokens. A larger context window means the model can process longer documents and conversations.