LLM Comparison
GPT-6.1 Sol vs Inflection 3 Productivity
Side-by-side specs, pricing & capabilities · Updated September 2026
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2/6 models| Organization | ||
| OpenTools Score | ||
| Family | GPT-6.1 | Inflection |
| Status | Current | Current |
| Release Date | Sep 2026 | Oct 2024 |
| Context Window | 1.1M tokens | 8K tokens |
| Input Price | $2.00/M tokens | $2.50/M tokens |
| Output Price | $10.00/M tokens | $10.00/M tokens |
| Pricing Notes | OpenAI Standard API, USD per million tokens for prompts with at most 272K input tokens: $2 input, $0.10 cached input, $2.50 cache writes, $10 output. Above 272K input, 2x input/cache and 1.5x output apply to the entire request. Fast mode is 2x Standard (not available with EU data residency); Batch and Flex are 50% below Standard. Regional processing adds 10% where available. Reasoning output tokens are billed as output. The maximum input limit is 922K tokens. | — |
| Capabilities | textvisionreasoningcodingtool-usecomputer-uselong-contextcontext-caching | textcode |
| Training Cutoff | 2026-04-30 | — |
| Max Output | 128K tokens | 1K tokens |
| API Identifier | gpt-6.1-sol | inflection/inflection-3-productivity |
| Benchmarks | ||
| HealthBench Professional length-adjusted | 64.2openai | — |
| HealthBench length-adjusted | 58.5openai | — |
| HealthBench Hard length-adjusted | 36.2openai | — |
| HealthBench Consensus length-adjusted | 96openai | — |
| View GPT-6.1 Sol | View Inflection 3 Productivity | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| GPT-6.1 SolCheapest | $2.00 | $5.00 | $7.00 | — |
| Inflection 3 Productivity | $2.50 | $5.00 | $7.50 | +7% |
OpenAI
GPT-6.1 Sol
GPT-6.1 Sol is OpenAI's proprietary reasoning model for coding, computer use, and professional workflows. The gpt-6.1-sol API model accepts text and images and returns text. OpenAI documents a 1,050,000-token context window, 922,000 maximum input tokens, and 128,000 maximum output tokens. OpenAI's system card reports first-party HealthBench results; no exact independent Artificial Analysis result was available at the observed time.
Inflection AI
Inflection 3 Productivity
Inflection 3 Productivity is a large language model from Inflection AI. Supports up to 8,000 token context window. Available from $2.50/M input tokens.
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