GPT vs Mistral
The short answer. The cheapest GPT model we track, gpt-5-nano, costs $0.400 per million output tokens and $0.050 per million input tokens. The cheapest Mistral model, Ministral 3 3B, costs $0.100 per million output tokens and $0.100 per million input tokens. At the entry level, Mistral is 4.0 times cheaper than GPT on output tokens. Prices read on 3 November 2026 and 31 October 2026.
This page compares what OpenAI and Mistral AI charge through their APIs. Every price below carries the day we read it and links to the page it came from. We do not rank quality: we tell you what each model costs, and since when.
At the top of each range
- Among GPT models that carry a relayed score, the highest on the Artificial Analysis intelligence index is GPT-6 Astra, at 56.9, sold by OpenRouter at $50.00 per million output tokens.
- Among Mistral models that carry a relayed score, the highest on the Artificial Analysis intelligence index is Mistral Large 4, at 26.0, sold by OpenRouter at $2.10 per million output tokens.
The index is produced by Artificial Analysis and relayed through OpenRouter's catalogue. It is not our measurement; we record it as a level 4 source and show it next to the price we read. A model without a score here has not been scored yet, which is not the same as scoring low.
Every model, side by side
GPT models
34 standard offers, from the prices OpenAI publishes itself.
| Model | Input | Output | Context | Read on | Source |
|---|---|---|---|---|---|
| gpt-5-nano | $0.050 | $0.400 | 31 October 2026 | OpenAI | |
| gpt-6-luna | $0.100 | $0.500 | 31 October 2026 | OpenAI | |
| gpt-4o-mini | $0.150 | $0.600 | 31 October 2026 | OpenAI | |
| gpt-5.6-luna | $0.200 | $1.20 | 31 October 2026 | OpenAI | |
| gpt-5.4-nano | $0.200 | $1.25 | 31 October 2026 | OpenAI | |
| gpt-4.1-mini | $0.400 | $1.60 | 31 October 2026 | OpenAI | |
| gpt-5-mini | $0.250 | $2.00 | 31 October 2026 | OpenAI | |
| o3-mini | $1.10 | $4.40 | 31 October 2026 | OpenAI | |
| o4-mini | $1.10 | $4.40 | 31 October 2026 | OpenAI | |
| gpt-5.4-mini | $0.750 | $4.50 | 31 October 2026 | OpenAI | |
| gpt-6.1-terra | $1.00 | $5.00 | 27 October 2026 | OpenAI | |
| gpt-4.1 | $2.00 | $8.00 | 31 October 2026 | OpenAI | |
| o3 | $2.00 | $8.00 | 31 October 2026 | OpenAI | |
| gpt-5 | $1.25 | $10.00 | 31 October 2026 | OpenAI | |
| gpt-5.1 | $1.25 | $10.00 | 31 October 2026 | OpenAI | |
| gpt-6-sol | $2.00 | $10.00 | 31 October 2026 | OpenAI | |
| gpt-6.1-sol | $2.00 | $10.00 | 31 October 2026 | OpenAI | |
| gpt-4o | $2.50 | $10.00 | 31 October 2026 | OpenAI | |
| gpt-5.6-terra | $2.00 | $12.00 | 31 October 2026 | OpenAI | |
| gpt-5.2 | $1.75 | $14.00 | 31 October 2026 | OpenAI | |
| gpt-5.4 (<272K context length) | $2.50 | $15.00 | 31 October 2026 | OpenAI | |
| gpt-4o-2024-05-13 | $5.00 | $15.00 | 31 October 2026 | OpenAI | |
| gpt-5.6-sol | $4.00 | $20.00 | 31 October 2026 | OpenAI | |
| gpt-5.5 (<272K context length) | $5.00 | $30.00 | 31 October 2026 | OpenAI | |
| gpt-4-turbo-2024-04-09 | $10.00 | $30.00 | 31 October 2026 | OpenAI | |
| gpt-6-astra | $10.00 | $50.00 | 31 October 2026 | OpenAI | |
| o1 | $15.00 | $60.00 | 31 October 2026 | OpenAI | |
| gpt-4-0613 | $30.00 | $60.00 | 31 October 2026 | OpenAI | |
| o3-pro | $20.00 | $80.00 | 31 October 2026 | OpenAI | |
| gpt-5-pro | $15.00 | $120 | 31 October 2026 | OpenAI | |
| gpt-5.2-pro | $21.00 | $168 | 31 October 2026 | OpenAI | |
| gpt-5.4-pro (<272K context length) | $30.00 | $180 | 31 October 2026 | OpenAI | |
| gpt-5.5-pro (<272K context length) | $30.00 | $180 | 31 October 2026 | OpenAI | |
| o1-pro | $150 | $600 | 31 October 2026 | OpenAI |
Mistral models
9 standard offers, from the prices Mistral AI publishes itself.
| Model | Input | Output | Context | Read on | Source |
|---|---|---|---|---|---|
| Ministral 3 3B | $0.100 | $0.100 | 3 November 2026 | Mistral AI | |
| Ministral 3 8B | $0.150 | $0.150 | 3 November 2026 | Mistral AI | |
| Ministral 3 14B | $0.200 | $0.200 | 3 November 2026 | Mistral AI | |
| Z.ai GLM 5.3 Flash | $0.150 | $0.500 | 3 November 2026 | Mistral AI | |
| Mistral Small 4 | $0.150 | $0.600 | 3 November 2026 | Mistral AI | |
| Codestral | $0.300 | $0.900 | 3 November 2026 | Mistral AI | |
| DeepSeek V4.1 Flash 1017 | $0.300 | $1.20 | 3 November 2026 | Mistral AI | |
| Mistral Large 4 | $0.700 | $2.10 | 3 November 2026 | Mistral AI | |
| GLM 5.3 | $1.40 | $4.40 | 3 November 2026 | Mistral AI |
How these prices have moved
We hold dated captures of these models' prices back to 26 July 2023. We did not observe these values ourselves: they were recovered from public captures of OpenRouter's catalogue, and each links to its capture so you can check it without trusting us. Largest moves on output price:
| Model | Before | After | Change | Captured |
|---|---|---|---|---|
| Mistral: Mistral Nemo | $0.001 | $0.050 | +4900% | 14 July 2025 |
| Mistral: Devstral 2 2512 | $0.220 | $2.00 | +809% | 19 February 2026 |
| Mistral: Mixtral 8x22B Instruct | $0.900 | $6.00 | +567% | 20 October 2025 |
| Mistral: Mistral Small 3.1 24B | $0.110 | $0.560 | +409% | 19 February 2026 |
| Mistral: Mistral Small 3.1 24B | $0.110 | $0.560 | +409% | 23 April 2026 |
| Mistral: Mistral Small 3.1 24B | $0.027 | $0.072006 | +167% | 12 August 2025 |
Questions
Which is cheaper, GPT or Mistral?
The cheapest GPT model we track, gpt-5-nano, costs $0.400 per million output tokens and $0.050 per million input tokens. The cheapest Mistral model, Ministral 3 3B, costs $0.100 per million output tokens and $0.100 per million input tokens. At the entry level, Mistral is 4.0 times cheaper than GPT on output tokens. Prices read on 3 November 2026 and 31 October 2026.
What is the cheapest GPT model?
gpt-5-nano, at $0.400 per million output tokens, read on 31 October 2026.
What is the cheapest Mistral model?
Ministral 3 3B, at $0.100 per million output tokens, read on 3 November 2026.
Where do these prices come from?
From the price lists OpenAI and Mistral AI publish, read by our collectors. No figure on this page was produced by a language model.