Qwen3.8 Max Prime vs Claude Opus 5.5: price, context window and capabilities
Qwen3.8 Max Prime (qwen/qwen3.8-max-prime) from Qwen and Claude Opus 5.5 (anthropic/claude-opus-5.5) from Anthropic are both multimodal language models on the OceanToken API. Qwen3.8 Max Prime costs less for output: $12.00 against $18.00 per 1M output tokens (33% less); Claude Opus 5.5 costs less for input: $3.60 against $4.00 per 1M input tokens (10% less). Claude Opus 5.5 is 10% off its official price on OceanToken, for every account. Claude Opus 5.5 has the larger context window: 1M tokens (1,000,000) against 984K (983,616) for Qwen3.8 Max Prime. Both support tool calling, reasoning, structured outputs and image input; only Qwen3.8 Max Prime also lists video input; only Claude Opus 5.5 also lists file input.
Side by side
| Spec | Qwen3.8 Max Prime | Claude Opus 5.5 −10% |
|---|---|---|
| Model | Qwen3.8 Max Primeqwen/ | Claude Opus 5.5anthropic/ |
| Publisher | Qwen | Anthropic |
| Kind | Text, vision & video | Text & vision |
| Context window | 984K tokens983,616 | 1M tokens1,000,000 |
| Input price | $4.00 / 1M tokens | $3.60 / 1M tokens |
| Output price | $12.00 / 1M tokens | $18.00 / 1M tokens |
| Cached input price | $0.50 / 1M tokens | $0.20 / 1M tokens |
| Cache write price | – | $5.00 / 1M tokens |
| Web search price | – | $0.01 / search |
| Discount (vs official, top tier) | — | −10% |
| 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?
- Price depends on the mix: Qwen3.8 Max Prime costs less for output and Claude Opus 5.5 for input, so estimate both on your own volume of input tokens and output tokens.
- Choose Claude Opus 5.5 for the longest inputs: its context window holds 1M tokens against 984K for Qwen3.8 Max Prime.
- Choose Qwen3.8 Max Prime if you need video input: Claude Opus 5.5 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 Max Prime Claude Opus 5.5
Frequently asked questions
Which is cheaper, Qwen3.8 Max Prime or Claude Opus 5.5?
It depends on the mix of tokens. Qwen3.8 Max Prime costs less for output: $12.00 against $18.00 per 1M output tokens (33% less); Claude Opus 5.5 costs less for input: $3.60 against $4.00 per 1M input tokens (10% less). Claude Opus 5.5 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, Qwen3.8 Max Prime or Claude Opus 5.5?
Claude Opus 5.5. Claude Opus 5.5 has the larger context window: 1M tokens (1,000,000) against 984K (983,616) for Qwen3.8 Max Prime.
Can I call both Qwen3.8 Max Prime and Claude Opus 5.5 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-max-prime or anthropic/claude-opus-5.5.
Models and publishers
Qwen3.8 Max Prime · Claude Opus 5.5 · All Qwen models · All Anthropic models
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