OpenAI API vs Mistral La Plateforme pricing
Both are in llm apis. OpenAI API is billed per token; Mistral La Plateforme is billed per token. Numbers below are copied from each vendor's pricing page.
OpenAI APINo free tier
- Free tier
- $5 trial credit (after ID verification); opt-in data-sharing free tokens
- Billed
- Per token
- Best for
- Frontier general-purpose LLM platform
- Verified
- Jun 27, 2026
Mistral La PlateformeFree tier or trial
- Free tier
- Free Experiment tier, rate-limited (~1B tokens/mo cap), all models
- Billed
- Per token
- Best for
- Open-weight European LLMs
- Verified
- Jun 27, 2026
OpenAI API plans
| Plan | Price | What it covers |
|---|---|---|
| GPT-5.5 (flagship) | $5.00 / $30.00 per 1M tokens | Input / output; cached input $0.50/1M. Highest-intelligence model (AA Index 55). |
| GPT-5.4 | $2.50 / $15.00 per 1M tokens | Input / output; cached input $0.25/1M. Mid-tier flagship. |
| GPT-5.4-mini | $0.75 / $4.50 per 1M tokens | Input / output; cached input $0.075/1M. Cost-efficient general model. |
| GPT-5.4-nano | $0.20 / $1.25 per 1M tokens | Input / output; cached input $0.02/1M. Cheapest, lowest-latency tier (~0.56s TTFT). |
| Batch / Flex processing | Up to ~50% off standard | Asynchronous Batch API and Flex tier trade latency for substantially lower per-token cost. |
| Scale Tier | Custom / committed throughput | Prioritized compute with a contractual 99.9% uptime SLA for production traffic. |
- Expensive output tokens on flagship models ($30/1M on GPT-5.5) make high-volume generation costly
- Standard pay-as-you-go tier has no uptime SLA; guarantees require Scale Tier or Azure
- Recurring billing-transparency and credit-reconciliation complaints from users
Mistral La Plateforme plans
| Plan | Price | What it covers |
|---|---|---|
| Mistral Large 3 (mistral-large-latest) | $0.50 / $1.50 per 1M tokens | Flagship general model, input/output |
| Mistral Medium 3.5 (mistral-medium-latest) | $1.50 / $7.50 per 1M tokens | Highest-tier multimodal model |
| Mistral Small 4 (mistral-small-latest) | $0.15 / $0.60 per 1M tokens | Efficient mid-size model |
| Ministral 3 - 3B (ministral-3b-latest) | $0.10 / $0.10 per 1M tokens | Cheapest edge/small model |
| Codestral (codestral-latest) | $0.30 / $0.90 per 1M tokens | Code-completion model |
| Free Experiment tier + Batch API | $0 free tier; 50% off batch | ~1B tokens/month rate-limited eval tier; 50% batch discount on all production rates (24h SLA) |
Source: https://mistral.ai/pricing/