[Workers AI] pricing (#21620)

Author: kodster28

src/content/docs/workers-ai/platform/pricing.mdx

@@ -42,6 +42,7 @@ The Price in Tokens column is equivalent to the Price in Neurons column - the di
 | @cf/meta/llama-3.3-70b-instruct-fp8-fast     | $0.293 per M input tokens <br/> $2.253 per M output tokens | 26668 neurons per M input tokens <br/> 204805 neurons per M output tokens |
 | @cf/deepseek-ai/deepseek-r1-distill-qwen-32b | $0.497 per M input tokens <br/> $4.881 per M output tokens | 45170 neurons per M input tokens <br/> 443756 neurons per M output tokens |
 | @cf/mistral/mistral-7b-instruct-v0.1         | $0.110 per M input tokens <br/> $0.190 per M output tokens | 10000 neurons per M input tokens <br/> 17300 neurons per M output tokens  |
+| @cf/mistralai/mistral-small-3.1-24b-instruct | $0.351 per M input tokens <br/> $0.555 per M output tokens | 31876 neurons per M input tokens <br/> 50488 neurons per M output tokens  |
 | @cf/meta/llama-3.1-8b-instruct               | $0.282 per M input tokens <br/> $0.827 per M output tokens | 25608 neurons per M input tokens <br/> 75147 neurons per M output tokens  |
 | @cf/meta/llama-3.1-8b-instruct-fp8           | $0.152 per M input tokens <br/> $0.287 per M output tokens | 13778 neurons per M input tokens <br/> 26128 neurons per M output tokens  |
 | @cf/meta/llama-3.1-8b-instruct-awq           | $0.123 per M input tokens <br/> $0.266 per M output tokens | 11161 neurons per M input tokens <br/> 24215 neurons per M output tokens  |