Qwen3.8 Flash vs Grok 4.6: price, context window and capabilities
Qwen3.8 Flash (qwen/qwen3.8-flash) from Qwen and Grok 4.6 (x-ai/grok-4.6) from SpaceXAI are both multimodal language models on the OceanToken API. Qwen3.8 Flash costs less per token than Grok 4.6: $0.143 against $2.00 per 1M input tokens (93% less) and $0.447 against $6.00 per 1M output tokens (93% less). Qwen3.8 Flash has the larger context window: 984K tokens (983,616) against 500K (500,000) for Grok 4.6. Both support tool calling, reasoning, structured outputs and image input; only Qwen3.8 Flash also lists video input; only Grok 4.6 also lists file input.
Side by side
| Spec | Qwen3.8 Flash −25% | Grok 4.6 |
|---|---|---|
| Model | Qwen3.8 Flashqwen/ | Grok 4.6x- |
| Publisher | Qwen | SpaceXAI |
| Kind | Text, vision & video | Text & vision |
| Context window | 984K tokens983,616 | 500K tokens500,000 |
| Input price | $0.143 / 1M tokens | $2.00 / 1M tokens |
| Output price | $0.447 / 1M tokens | $6.00 / 1M tokens |
| Cached input price | $0.016 / 1M tokens | $0.50 / 1M tokens |
| Cache write price | $0.20 / 1M tokens | – |
| Web search price | – | $0.005 / search |
| Discount (vs official, top tier) | −25% | — |
| Inputs | text, images and video | 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?
- Choose Qwen3.8 Flash to spend less per token: 93% less for input and 93% less for output than Grok 4.6.
- Choose Qwen3.8 Flash for the longest inputs: its context window holds 984K tokens against 500K for Grok 4.6.
- Choose Qwen3.8 Flash if you need video input: Grok 4.6 does not list it.
- 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 Qwen3.8 Flash Grok 4.6
Frequently asked questions
Which is cheaper, Qwen3.8 Flash or Grok 4.6?
Qwen3.8 Flash. Qwen3.8 Flash costs less per token than Grok 4.6: $0.143 against $2.00 per 1M input tokens (93% less) and $0.447 against $6.00 per 1M output tokens (93% less). These are OceanToken starting prices per use; the OceanToken console always shows the current price.
Which has the larger context window, Qwen3.8 Flash or Grok 4.6?
Qwen3.8 Flash. Qwen3.8 Flash has the larger context window: 984K tokens (983,616) against 500K (500,000) for Grok 4.6.
Can I call both Qwen3.8 Flash and Grok 4.6 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 qwen/qwen3.8-flash or x-ai/grok-4.6.
Models and publishers
Qwen3.8 Flash · Grok 4.6 · All Qwen models · All SpaceXAI models
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