InferIndex · https://inferindex.dev/en/compare/openai/gpt-6.1-sol/vs/z-ai/glm-5.3
GPT-6.1 Sol costs from $4.00 per million tokens at a 3:1 input:output mix: the cheapest price. GLM 5.3 costs from $0.873, the cheapest of 55 current offers without a flag. A lower price, $0.43, is listed with a flag. Prices checked on .
Verdict
At these prices, GPT-6.1 Sol costs 4.6× as much as GLM 5.3 per million tokens (at a 3:1 input:output mix).
Each model's lowest blended price, per 1M tokens, across every provider we track.
| Model | Lowest blended price, $ per 1M tokens. Green background: the most favourable value of each column. | Input price of the cheapest offer, per 1M tokens | Output price of the cheapest offer, per 1M tokens | The provider's published policy says the text you send is not used to train models. We only show what is published; we can't check it ourselves. | For 2,000 input tokens and 500 output tokens per request, 1,000 requests a day, at the cheapest offer for that workload. Change the workload above. | Offers | Providers | The maximum amount of text, counted in tokens, the model can take in and write in a single request. Past this limit, the request is refused or cut. | Observation |
|---|---|---|---|---|---|---|---|---|---|
| Most expensive offer · $4.30. The highest blended price among comparable offers: one price per provider (its cheapest route), standard tier, current prices only. Priority tiers and prices converted from points are not counted. Green background: the most favourable value of each column., most favourable value of the column | $0.28, most favourable value of the column | $0.88, most favourable value of the column | at InferenceNet, most favourable value of the column | $30.00, most favourable value of the columnat Baidu via OpenRouter | 172 | 88, most favourable value of the column | 1M | Cheapest. Lowest blended price, $ per 1M tokens | |
| Most expensive offer · $24.00. The highest blended price among comparable offers: one price per provider (its cheapest route), standard tier, current prices only. Priority tiers and prices converted from points are not counted. | $2.00 | $10.00 | $4.00 | $270.00at OpenAI | 49 | 20 | 1.1M |
Green background: the most favourable value of each column.
Prices as of Oct 31, 2026, 7:42 AM UTCSame rules as the API's /cheapest route. The monthly estimate uses the cheapest offer for that workload.
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