A side-by-side comparison of Claude Opus 5.5 and Gemini 4 Argon: input/output pricing, capabilities and available endpoints, served live from 服务云AI. Both are reachable with the same API key.
| Item | Claude Opus 5.5 | Gemini 4 Argon |
|---|---|---|
| Input (per 1M tokens) | $3.6 | $1.5 |
| Output (per 1M tokens) | $18 | $7.5 |
| Cache read implicit (per 1M tokens) | — | $0.075 |
| Cache read explicit (per 1M tokens) | $0.18 | — |
| Cache write 5m (per 1M tokens) | $4.5 | — |
| Item | Claude Opus 5.5 | Gemini 4 Argon |
|---|---|---|
| Context window | 1,000,000 | 1,048,576 |
| Max output | 128,000 | 65,536 |
| Item | Claude Opus 5.5 | Gemini 4 Argon |
|---|---|---|
| audio_input | — | Yes |
| function_calling | Yes | Yes |
| prompt_caching | Yes | Yes |
| vision | Yes | Yes |
On input, Gemini 4 Argon is cheaper ($3.6 vs $1.5 per 1M tokens). On output, Gemini 4 Argon is cheaper ($18 vs $7.5 per 1M tokens). All prices are per million tokens in USD.
Gemini 4 Argon does — Claude Opus 5.5 accepts 1,000,000 input tokens and Gemini 4 Argon accepts 1,048,576.
both support function_calling, prompt_caching, vision; only Gemini 4 Argon supports audio_input.
Yes. Both are available on 服务云AI through one API key and the same OpenAI-compatible endpoint — switching means changing the model field from "claude-opus-5-5" to "gemini-4-argon", nothing else.
Both are available on 服务云AI under one API key — switching between them means changing the model field and nothing else, so you can use each where it fits rather than picking one.