LLM Comparison
GPT-6 Sol vs Sonar Deep Research
Side-by-side specs, pricing & capabilities · Updated September 2026
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 25 5.1 | |
| Family | GPT-6 | Sonar |
| Status | Current | Current |
| Release Date | Sep 2026 | Mar 2025 |
| Context Window | 1.1M tokens | 128K tokens |
| Input Price | $2.00/M tokens | $2.00/M tokens |
| Output Price | $10.00/M tokens | $8.00/M tokens |
| Pricing Notes | OpenAI standard API, USD per million tokens for prompts up to 272K input tokens: $2 input, $0.20 cached input, $2.50 cache writes, $10 output. Above 272K input tokens, the full request costs 2x input/cache and 1.5x output. Batch/Flex cost 50% of Standard; Fast costs 2x; regional processing adds 10% where available. Reasoning output tokens are charged at output rates. | — |
| Capabilities | textvisionreasoningcodingtool-uselong-contextcontext-caching | textcode |
| Training Cutoff | 2026-04-20 | — |
| Max Output | 128K tokens | — |
| API Identifier | gpt-6-sol | perplexity/sonar-deep-research |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.3.2 | 47.5276426437724artificial-analysis | — |
| GPQA Diamond | — | 47.1perplexity |
| MMLU Pro | — | 68.9perplexity |
| MATH-500 | — | 81.7perplexity |
| AIME | — | 48.7perplexity |
| View GPT-6 Sol | View Sonar Deep Research | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Sonar Deep ResearchCheapest | $2.00 | $4.00 | $6.00 | — |
| GPT-6 Sol | $2.00 | $5.00 | $7.00 | +17% |
OpenAI
GPT-6 Sol
GPT-6 Sol is OpenAI's reasoning model for professional work. It accepts text and images, produces text, supports a 1,050,000-token context window and 128,000 output tokens, and is available through the Responses and Chat Completions APIs. OpenAI documents the exact gpt-6-sol identifier and standard token pricing.
Perplexity AI
Sonar Deep Research
Sonar Deep Research is a large language model from Perplexity AI. Supports up to 128,000 token context window. Achieves 83.0% on MMLU. Available from $2.00/M input tokens.
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