LLM Comparison
GPT-6.1 Sol vs Palmyra X5
Side-by-side specs, pricing & capabilities
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2/6 models| Organization | ||
| OpenTools Score | ||
| Family | GPT-6.1 | Palmyra |
| Status | Current | Current |
| Release Date | Sep 2026 | Jan 2026 |
| Context Window | 1.1M tokens | 1.0M tokens |
| Input Price | $2.00/M tokens | $0.60/M tokens |
| Output Price | $10.00/M tokens | $6.00/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. | Writer direct API Palmyra X5: $0.60 input and $6.00 output per million tokens. Writer Agent bills X5 at $5.00 input and $12.00 output per million; Amazon Bedrock pricing is separate. |
| Capabilities | textvisionreasoningcodingtool-usecomputer-uselong-contextcontext-caching | textcode |
| Training Cutoff | 2026-04-30 | — |
| Max Output | 128K tokens | 8K tokens |
| API Identifier | gpt-6.1-sol | writer/palmyra-x5 |
| View GPT-6.1 Sol | View Palmyra X5 |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Palmyra X5Cheapest | $0.60 | $3.00 | $3.60 | — |
| GPT-6.1 Sol | $2.00 | $5.00 | $7.00 | +94% |
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.
Writer
Palmyra X5
Palmyra X5 is Writer's general-purpose AI model with a 1-million-token context window and an 8,192-token output limit. Writer lists direct API pricing of $0.60 input and $6.00 output per million tokens; X5 is scheduled for deprecation on December 14, 2026.
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