Hard facts side by side: free tiers, prices, limits, SDKs and privacy. Every value links to the official page it came from and is re-checked every week.
| Fact |  OpenAI |
|---|---|
| Starting price | $2 per 1M input tokens GPT-6-Sol; $10 per 1M output tokens (GPT-6-Luna from $0.10 input). Source, Sep 29, 2026 |
| Rate limit | 500 requests/min Tier 1 ($5 paid), GPT-6-Sol; 500,000 tokens/min. Source, Sep 29, 2026 |
| Size limit | 1.05M token context GPT-6 Astra, Sol and Luna. Source, Sep 29, 2026 |
| Storage | 1 GB free File search storage, then $0.10 per GB per day. Source, Sep 29, 2026 |
| Official SDKs |
| Trains on your data | No API data is not used for training unless you explicitly opt in. Source, Sep 29, 2026 |
|---|
| EU hosting | Yes Europe (EEA + Switzerland) data residency via eu.api.openai.com; requires approval. Source, Sep 29, 2026 |
|---|
| Compliance | SOC 2ISO 27001GDPRHIPAASource, Sep 29, 2026 |
|---|
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