| Signal | GPT-4o Audio | Delta | Grok 4.1 Fast |
|---|---|---|---|
Capabilities | 50 | -50 | |
Benchmarks | 74 | -1 | |
Pricing | 90 | -9 | |
Context window size | 81 | -19 | |
Recency | 84 | -16 | |
Output Capacity | 70 | -4 | |
| Overall Result | 0 wins | of 6 | 6 wins |
Score History
70.4
current score
Grok 4.1 Fast
right now
78
current score
OpenAI
xAI
Grok 4.1 Fast saves you $705.00/month
That's $8460.00/year compared to GPT-4o Audio at your current usage level of 100K calls/month.
| Metric | GPT-4o Audio | Grok 4.1 Fast | Winner |
|---|---|---|---|
| Overall Score | 70 | 78 | Grok 4.1 Fast |
| Rank | #96 | #52 | Grok 4.1 Fast |
| Quality Rank | #96 | #52 | Grok 4.1 Fast |
| Adoption Rank | #96 | #52 | Grok 4.1 Fast |
| Parameters | -- | -- | -- |
| Context Window | 128K | 2000K | Grok 4.1 Fast |
| Pricing | $2.50/$10.00/M | $0.20/$0.50/M | -- |
| Signal Scores | |||
| Capabilities | 50 | 100 | Grok 4.1 Fast |
| Benchmarks | 74 | 76 | Grok 4.1 Fast |
| Pricing | 90 | 100 | Grok 4.1 Fast |
| Context window size | 81 | 100 | Grok 4.1 Fast |
| Recency | 84 | 100 | Grok 4.1 Fast |
| Output Capacity | 70 | 75 | Grok 4.1 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%). Learn more about our methodology.
Scores 70/100 (rank #96), placing it in the top 67% of all 290 models tracked.
Scores 78/100 (rank #52), placing it in the top 82% of all 290 models tracked.
Grok 4.1 Fast has a 8-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
Grok 4.1 Fast offers 94% better value per quality point. At 1M tokens/day, you'd spend $10.50/month with Grok 4.1 Fast vs $187.50/month with GPT-4o Audio - a $177.00 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. 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 (78/100) 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 has a moderate advantage with a 7.599999999999994-point lead in composite score. It wins on more signal dimensions, but GPT-4o Audio has specific strengths that could make it the better choice for certain workflows.
Best for Quality
GPT-4o Audio
Marginally better benchmark scores; both are excellent
Best for Cost
Grok 4.1 Fast
94% lower pricing; better value at scale
Best for Reliability
GPT-4o Audio
Higher uptime and faster response speeds
Best for Prototyping
GPT-4o Audio
Stronger community support and better developer experience
Best for Production
GPT-4o Audio
Wider enterprise adoption and proven at scale
by OpenAI
| Capability | GPT-4o Audio | Grok 4.1 Fast |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Searchdiffers | ||
| Image Output |
OpenAI
xAI
Grok 4.1 Fast saves you $15.54/month
That's 94% cheaper than GPT-4o Audio 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-4o Audio | Grok 4.1 Fast |
|---|---|---|
| Context Window | 128K | 2M |
| Max Output Tokens | 16,384 | 30,000 |
| Open Source | No | No |
| Created | Aug 15, 2025 | Nov 19, 2025 |