| Signal | Cogito v2.1 671B | Delta | Sonar Pro Search |
|---|---|---|---|
Capabilities | 50 | -33 | |
Pricing | 99 | +14 | |
Context window size | 81 | -3 | |
Recency | 100 | +2 | |
Output Capacity | 20 | -45 | |
| Overall Result | 2 wins | of 5 | 3 wins |
Score History
40
current score
Tied
right now
40
current score
deepcogito
Perplexity
Cogito v2.1 671B saves you $862.50/month
That's $10350.00/year compared to Sonar Pro Search at your current usage level of 100K calls/month.
| Metric | Cogito v2.1 671B | Sonar Pro Search | Winner |
|---|---|---|---|
| Overall Score | 40 | 40 | -- |
| Rank | #238 | #240 | Cogito v2.1 671B |
| Quality Rank | #238 | #240 | Cogito v2.1 671B |
| Adoption Rank | #238 | #240 | Cogito v2.1 671B |
| Parameters | 671B | -- | -- |
| Context Window | 128K | 200K | Sonar Pro Search |
| Pricing | $1.25/$1.25/M | $3.00/$15.00/M | -- |
| Signal Scores | |||
| Capabilities | 50 | 83 | Sonar Pro Search |
| Pricing | 99 | 85 | Cogito v2.1 671B |
| Context window size | 81 | 84 | Sonar Pro Search |
| Recency | 100 | 98 | Cogito v2.1 671B |
| Output Capacity | 20 | 65 | Sonar Pro Search |
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 40/100 (rank #238), placing it in the top 18% of all 290 models tracked.
Scores 40/100 (rank #240), placing it in the top 18% 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.
Cogito v2.1 671B offers 86% better value per quality point. At 1M tokens/day, you'd spend $37.50/month with Cogito v2.1 671B vs $270.00/month with Sonar Pro Search - a $232.50 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. Cogito v2.1 671B also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (200K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($1.25/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (40/100) 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
Cogito v2.1 671B and Sonar Pro Search are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Cogito v2.1 671B
Marginally better benchmark scores; both are excellent
Best for Cost
Cogito v2.1 671B
86% lower pricing; better value at scale
Best for Reliability
Cogito v2.1 671B
Higher uptime and faster response speeds
Best for Prototyping
Cogito v2.1 671B
Stronger community support and better developer experience
Best for Production
Cogito v2.1 671B
Wider enterprise adoption and proven at scale
by deepcogito
| Capability | Cogito v2.1 671B | Sonar Pro Search |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
deepcogito
Perplexity
Cogito v2.1 671B saves you $19.65/month
That's 84% cheaper than Sonar Pro Search 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 | Cogito v2.1 671B | Sonar Pro Search |
|---|---|---|
| Context Window | 128K | 200K |
| Max Output Tokens | -- | 8,000 |
| Open Source | No | No |
| Created | Nov 13, 2025 | Oct 30, 2025 |