LLM Comparison
GPT-5.6 Sol vs Grok 4.7
Side-by-side specs, pricing & capabilities
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2/6 models| Organization | ||
| OpenTools Score | 85 7.0 | |
| Family | GPT-5.6 | Grok |
| Status | Current | Current |
| Release Date | Jul 2026 | Sep 2026 |
| Context Window | 1.1M tokens | 500K tokens |
| Input Price | $4.00/M tokens | $2.00/M tokens |
| Output Price | $20.00/M tokens | $6.00/M tokens |
| Pricing Notes | OpenAI promotional standard short-context pricing is $4 input, $0.40 cached input, $5 cache writes, and $20 output per 1M tokens through at least November 21, 2026. Standard long-context pricing is $8 input, $0.80 cached input, $10 cache writes, and $30 output; Batch, Flex, and Fast mode use separate rates. | SpaceXAI xAI API global standard tier, USD per million tokens. Below 200,000 prompt tokens: $2 input, $0.50 cached input, $6 output. Above 200,000 prompt tokens: $4 input, $1 cached input, $12 output. Fast serving and regional endpoints have separate conditions. The provider explicitly states there is no text output limit; no numeric maxOutputTokens is asserted. |
| Capabilities | textvisionreasoningcodingtool-useweb-searchfile-searchcomputer-useagents | codingreasoningvisiontool-usestructured-outputlong-contextcontext-caching |
| Training Cutoff | Feb 16, 2026 | — |
| Max Output | 128K tokens | — |
| API Identifier | gpt-5.6-sol | grok-4.7 |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.3.2 | — | 42.2 indexartificial-analysis |
| Artificial Analysis Intelligence Index v4.3 | 47.1 indexartificial-analysis | — |
| Artificial Analysis Intelligence Index v4.3 | 47 indexhttps://artificialanalysis.ai/models/gpt-5-6-sol | — |
| GPQA Diamond | 94.1%artificial-analysis | — |
| SciCode | 57.1%artificial-analysis | — |
| Terminal-Bench 2.1 | 88%artificial-analysis | — |
| View GPT-5.6 Sol | View Grok 4.7 | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Grok 4.7Cheapest | $2.00 | $3.00 | $5.00 | — |
| GPT-5.6 Sol | $4.00 | $10.00 | $14.00 | +180% |
OpenAI
GPT-5.6 Sol
GPT-5.6 Sol is OpenAI frontier GPT-5.6 model for complex professional work across coding, knowledge work, science, cybersecurity, and agentic workflows. OpenAI model docs list it as the GPT-5.6 alias target with function, web search, file search, and computer use tools, 1.05M context, and 128K max output.
xAI
Grok 4.7
Grok 4.7 is SpaceXAI's proprietary coding and knowledge-work model, available as grok-4.7 on the xAI API. It accepts text and images, returns text, and offers a 500,000-token context window. SpaceXAI's release notes specify no text output limit. Standard global API pricing starts at $2 input and $6 output per million tokens, with separate cached-input and long-context rates.
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