GLM 5.3 Prime vs Gemini 4 Argon: price, context window and capabilities
GLM 5.3 Prime (z-ai/glm-5.3-prime) is a language model from Z.ai and Gemini 4 Argon (google/gemini-4-argon) a multimodal language model from Google; both are on the OceanToken API. GLM 5.3 Prime costs less for output: $8.80 against $9.00 per 1M output tokens (2% less); Gemini 4 Argon costs less for input: $1.80 against $2.80 per 1M input tokens (36% less). Gemini 4 Argon is 10% off its official price on OceanToken, for every account. Gemini 4 Argon has the larger context window: 1.05M tokens (1,048,576) against 1M (1,000,000) for GLM 5.3 Prime. Both support tool calling and reasoning; only Gemini 4 Argon also lists structured outputs, image input, file input, audio input and video input.
Side by side
| Spec | GLM 5.3 Prime | Gemini 4 Argon −10% |
|---|---|---|
| Model | GLM 5.3 Primez- | Gemini 4 Argongoogle/ |
| Publisher | Z.ai | |
| Kind | Text | Text, vision, audio & video |
| Context window | 1M tokens1,000,000 | 1.05M tokens1,048,576 |
| Input price | $2.80 / 1M tokens | $1.80 / 1M tokens |
| Output price | $8.80 / 1M tokens | $9.00 / 1M tokens |
| Cached input price | $0.56 / 1M tokens | $0.10 / 1M tokens |
| Cache write price | – | $2.188 / 1M tokens |
| Web search price | – | $0.014 / search |
| Discount (vs official, top tier) | — | −10% |
| Inputs | text | text, images, files, audio and video |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Not listed | Yes |
About these prices
Which should you choose?
- Price depends on the mix: GLM 5.3 Prime costs less for output and Gemini 4 Argon for input, so estimate both on your own volume of input tokens and output tokens.
- Choose Gemini 4 Argon for the longest inputs: its context window holds 1.05M tokens against 1M for GLM 5.3 Prime.
- Choose Gemini 4 Argon if you need structured outputs, image input, file input, audio input and video input: GLM 5.3 Prime does not list them.
- 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 GLM 5.3 Prime Gemini 4 Argon
Frequently asked questions
Which is cheaper, GLM 5.3 Prime or Gemini 4 Argon?
It depends on the mix of tokens. GLM 5.3 Prime costs less for output: $8.80 against $9.00 per 1M output tokens (2% less); Gemini 4 Argon costs less for input: $1.80 against $2.80 per 1M input tokens (36% less). Gemini 4 Argon 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, GLM 5.3 Prime or Gemini 4 Argon?
Gemini 4 Argon. Gemini 4 Argon has the larger context window: 1.05M tokens (1,048,576) against 1M (1,000,000) for GLM 5.3 Prime.
Can I call both GLM 5.3 Prime and Gemini 4 Argon 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 z-ai/glm-5.3-prime or google/gemini-4-argon.
Models and publishers
GLM 5.3 Prime · Gemini 4 Argon · All Z.ai models · All Google models
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