Grok 4.6 vs GPT-6 Sol: price, context window and capabilities
Grok 4.6 (x-ai/grok-4.6) from SpaceXAI and GPT-6 Sol (openai/gpt-6-sol) from OpenAI are both multimodal language models on the OceanToken API. Grok 4.6 costs less for output: $6.00 against $9.00 per 1M output tokens (33% less); GPT-6 Sol costs less for input: $1.80 against $2.00 per 1M input tokens (10% less). GPT-6 Sol is 10% off its official price on OceanToken, for every account. GPT-6 Sol has the larger context window: 1.05M tokens (1,050,000) against 500K (500,000) for Grok 4.6. Both support tool calling, reasoning, structured outputs, image input and file input.
Side by side
| Spec | Grok 4.6 | GPT-6 Sol −10% |
|---|---|---|
| Model | Grok 4.6x- | GPT-6 Solopenai/ |
| Publisher | SpaceXAI | OpenAI |
| Kind | Text & vision | Text & vision |
| Context window | 500K tokens500,000 | 1.05M tokens1,050,000 |
| Input price | $2.00 / 1M tokens | $1.80 / 1M tokens |
| Output price | $6.00 / 1M tokens | $9.00 / 1M tokens |
| Cached input price | $0.50 / 1M tokens | $0.20 / 1M tokens |
| Web search price | $0.005 / search | $0.01 / search |
| Cache write price | – | $2.50 / 1M tokens |
| Discount (vs official, top tier) | — | −10% |
| Inputs | text, images and files | text, images and files |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Price depends on the mix: Grok 4.6 costs less for output and GPT-6 Sol for input, so estimate both on your own volume of input tokens and output tokens.
- Choose GPT-6 Sol for the longest inputs: its context window holds 1.05M tokens against 500K for Grok 4.6.
- Both list the same capabilities: tool calling, reasoning, structured outputs, image input and file input.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts; each request is billed per use from one prepaid balance.
Get API Key Grok 4.6 GPT-6 Sol
Frequently asked questions
Which is cheaper, Grok 4.6 or GPT-6 Sol?
It depends on the mix of tokens. Grok 4.6 costs less for output: $6.00 against $9.00 per 1M output tokens (33% less); GPT-6 Sol costs less for input: $1.80 against $2.00 per 1M input tokens (10% less). GPT-6 Sol is 10% off its official price on OceanToken, for every account. The OceanToken console always shows the current price.
Which has the larger context window, Grok 4.6 or GPT-6 Sol?
GPT-6 Sol. GPT-6 Sol has the larger context window: 1.05M tokens (1,050,000) against 500K (500,000) for Grok 4.6.
Can I call both Grok 4.6 and GPT-6 Sol with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id x-ai/grok-4.6 or openai/gpt-6-sol.
Models and publishers
Grok 4.6 · GPT-6 Sol · All SpaceXAI models · All OpenAI models
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