| Signal | Gemini 2.5 Pro Preview 06-05 | Delta | Grok 4.20 |
|---|---|---|---|
Capabilities | 100 | -- | |
Benchmarks | 80 | -7 | |
Pricing | 90 | -7 | |
Context window size | 96 | -4 | |
Recency | 71 | -29 | |
Output Capacity | 80 | +60 | |
| Overall Result | 1 wins | of 6 | 4 wins |
Score History
83.5
current score
Grok 4.20
right now
88.8
current score
xAI
Grok 4.20 saves you $375.00/month
That's $4500.00/year compared to Gemini 2.5 Pro Preview 06-05 at your current usage level of 100K calls/month.
| Metric | Gemini 2.5 Pro Preview 06-05 | Grok 4.20 | Winner |
|---|---|---|---|
| Overall Score | 84 | 89 | Grok 4.20 |
| Rank | #28 | #8 | Grok 4.20 |
| Quality Rank | #28 | #8 | Grok 4.20 |
| Adoption Rank | #28 | #8 | Grok 4.20 |
| Parameters | -- | -- | -- |
| Context Window | 1049K | 2000K | Grok 4.20 |
| Pricing | $1.25/$10.00/M | $1.25/$2.50/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 100 | Gemini 2.5 Pro Preview 06-05 |
| Benchmarks | 80 | 86 | Grok 4.20 |
| Pricing | 90 | 98 | Grok 4.20 |
| Context window size | 96 | 100 | Grok 4.20 |
| Recency | 71 | 100 | Grok 4.20 |
| Output Capacity | 80 | 20 | Gemini 2.5 Pro Preview 06-05 |
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 84/100 (rank #28), placing it in the top 91% of all 290 models tracked.
Scores 89/100 (rank #8), placing it in the top 98% of all 290 models tracked.
Grok 4.20 has a 5-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
Grok 4.20 offers 67% better value per quality point. At 1M tokens/day, you'd spend $56.25/month with Grok 4.20 vs $168.75/month with Gemini 2.5 Pro Preview 06-05 - a $112.50 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 4.20 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 ($2.50/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (89/100) 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 4.20 has a moderate advantage with a 5.299999999999997-point lead in composite score. It wins on more signal dimensions, but Gemini 2.5 Pro Preview 06-05 has specific strengths that could make it the better choice for certain workflows.
Best for Quality
Gemini 2.5 Pro Preview 06-05
Marginally better benchmark scores; both are excellent
Best for Cost
Grok 4.20
67% lower pricing; better value at scale
Best for Reliability
Gemini 2.5 Pro Preview 06-05
Higher uptime and faster response speeds
Best for Prototyping
Gemini 2.5 Pro Preview 06-05
Stronger community support and better developer experience
Best for Production
Gemini 2.5 Pro Preview 06-05
Wider enterprise adoption and proven at scale
by Google
| Capability | Gemini 2.5 Pro Preview 06-05 | Grok 4.20 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
xAI
Grok 4.20 saves you $9.00/month
That's 63% cheaper than Gemini 2.5 Pro Preview 06-05 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 2.5 Pro Preview 06-05 | Grok 4.20 |
|---|---|---|
| Context Window | 1.0M | 2M |
| Max Output Tokens | 65,536 | -- |
| Open Source | No | No |
| Created | Jun 5, 2025 | Mar 31, 2026 |