Using Pydantic with DeepSeek V3.1 Terminus on OpenRouter
This tutorial explains how to use a Pydantic schema to extract structured data using DeepSeek V3.1 Terminus.
Please read this tutorial first to understand the basic setup
Code:
import os
import json
import requests
import datetime
from inputs import get_input_text
from system import system_instruction_1 as system_instruction
from schema import VAERSReport
from dotenv import load_dotenv
import time
load_dotenv()
model_name = 'deepseek/deepseek-v3.1-terminus'
api_key = os.getenv("OPENROUTER_API_KEY")
json_schema_text = json.dumps(VAERSReport.model_json_schema(), indent=2)
input_text, sentence_map = get_input_text()
prompt = f"""
Report: {input_text}
JSON Schema:
{json_schema_text}
"""
url = "https://openrouter.ai/api/v1/chat/completions"
headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json",
"HTTP-Referer": "https://botflo.com/", # Optional. Site URL for rankings on openrouter.ai.
"X-Title": "LLM Accuracy Comparisons for Structured Outputs", # Optional
}
payload = {
"model": model_name,
"messages": [
{"role": "system", "content": f'{system_instruction}'},
{"role": "user", "content": f'{prompt}'}
],
"reasoning": {
"effort": "high"
}
}
before = time.time()
response_full = requests.post(url, headers=headers, data=json.dumps(payload))
elapsed = time.time() - before
response = response_full.json()
metadata = {
"metrics": {
"elapsed": elapsed,
"usage": response['usage']
},
"text": {
"system_instruction": system_instruction,
"sentence_map": sentence_map,
"json_schema_text": json_schema_text
}
}
response["metadata"] = metadata
response_file_name = f"responses/response_{model_name.replace('/', '-')}.json"
with open(response_file_name, 'w+') as f:
json.dump(response, f, indent=2)
output_text = response.get('choices')[0].get('message').get('content')
print(output_text)
input_file_name = f"inputs/input_{model_name.replace('/', '-')}.txt"
with open(input_file_name, 'w+') as f:
f.write(input_text)
output_file_name = f"outputs/output_{model_name.replace('/', '-')}.txt"
with open(output_file_name, 'w+') as f:
f.write(output_text)
LLM Response:
```json
{
"timeline": {
"date_of_vaccination": {
"year": 1999,
"month": 6,
"citations": [3],
"explanation": "Vaccination date is explicitly listed as 1999-06-30"
},
"regression_onset_date": null,
"diagnosis_date": {
"year": 2001,
"month": 1,
"citations": [98],
"explanation": "Evaluation on 1/4/01 led to diagnosis of autism"
},
"age_at_vaccination_months": {
"value": 16,
"citations": [3],
"explanation": "Age at vaccination is given as 1.33 years, which is approximately 16 months"
},
"age_at_diagnosis_months": {
"value": 25,
"citations": [61, 98],
"explanation": "Age estimated from evaluations: 20 months chrono on 8/22/00, diagnosis around 1/4/01 gives approximately 25 months"
}
},
"developmental_milestones": [
{
"milestone_name": {
"value": "sitting_without_support",
"citations": [41],
"explanation": "Sat without support at 8 months chronological age"
},
"milestone_type": "adaptive_behavior",
"milestone_age_in_months": {
"value": 8,
"citations": [41],
"explanation": "Achieved at 8 months chronological age"
},
"milestone_has_regressed": {
"value": false,
"citations": [41],
"explanation": "No reported regression of sitting ability"
},
"regression_start_date_in_months": null,
"progressed_after_regression": {
"value": false,
"citations": [41],
"explanation": "Not applicable as no regression occurred"
}
},
{
"milestone_name": {
"value": "walking",
"citations": [41],
"explanation": "Walked by 12 months chronological age"
},
"milestone_type": "adaptive_behavior",
"milestone_age_in_months": {
"value": 12,
"citations": [41],
"explanation": "Achieved by 12 months chronological age"
},
"milestone_has_regressed": {
"value": false,
"citations": [41],
"explanation": "No reported regression of walking ability"
},
"regression_start_date_in_months": null,
"progressed_after_regression": {
"value": false,
"citations": [41],
"explanation": "Not applicable as no regression occurred"
}
},
{
"milestone_name": {
"value": "single_words",
"citations": [41],
"explanation": "Started saying a few single words at around 17 months chronological age"
},
"milestone_type": "language",
"milestone_age_in_months": {
"value": 17,
"citations": [41],
"explanation": "Achieved at approximately 17 months chronological age"
},
"milestone_has_regressed": {
"value": true,
"citations": [146],
"explanation": "Language regression reported between 21-23 months"
},
"regression_start_date_in_months": {
"value": 22,
"citations": [146],
"explanation": "Regression onset around 21-23 months, approximated to 22 months"
},
"progressed_after_regression": {
"value": false,
"citations": [160],
"explanation": "Autism and language issues persisted with no recovery reported"
}
}
],
"regression_record": {
"pre_regression_language_level": {
"value": "babbling_single_words",
"citations": [41],
"explanation": "Had single words at 17 months before regression"
},
"pre_regression_social_communication_level": {
"value": "basic_engagement",
"citations": [108],
"explanation": "Responded to name and shared interest before regression"
},
"pre_regression_adaptive_behavior_level": {
"value": "moderate_independence",
"citations": [41, 53],
"explanation": "Achieved motor milestones and had age-appropriate adaptive skills early on"
},
"post_regression_language_level": {
"value": "babbling_single_words",
"citations": [84, 115],
"explanation": "Post-regression, language limited to single words with delays"
},
"post_regression_social_communication_level": {
"value": "basic_engagement",
"citations": [108, 113],
"explanation": "Social skills impaired, with reduced eye contact and interaction"
},
"post_regression_adaptive_behavior_level": {
"value": "basic_self_help",
"citations": [95, 128],
"explanation": "Adaptive behavior scored below age level post-regression"
},
"has_language_loss": {
"value": true,
"citations": [146],
"explanation": "Language regression reported with loss of skills"
},
"has_social_loss": {
"value": true,
"citations": [110, 111],
"explanation": "Social behaviors decreased frequency post-regression"
},
"has_adaptive_loss": {
"value": true,
"citations": [128],
"explanation": "Adaptive behavior declined post-regression"
},
"has_repetitive_behaviors": {
"value": true,
"citations": [126],
"explanation": "Observed lining up toys repetitively"
}
},
"early_vaccination_symptoms": {
"had_autism_features": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "Autism onset reported much later than 30 days post-vaccination"
},
"had_fever": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No fever reported within 30 days of vaccination"
},
"had_speech_loss": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "Speech loss occurred later, not within 30 days"
},
"had_irritability": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No irritability reported within 30 days"
},
"had_eye_contact_loss": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "Eye contact loss reported later, not within 30 days"
},
"had_diarrhea": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No diarrhea reported within 30 days"
},
"had_seizures": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No seizures reported within 30 days"
},
"had_lethargy": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No lethargy reported within 30 days"
},
"had_screaming": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "Screaming reported later in context of frustration, not within 30 days"
},
"had_behavioral_changes": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "Behavioral changes occurred later, not within 30 days"
},
"had_rash": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No rash reported within 30 days"
},
"had_head_banging": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No head banging reported within 30 days"
},
"had_social_withdrawal": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "Social withdrawal reported later, not within 30 days"
},
"had_injection_site_reaction": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No injection site reaction reported within 30 days"
},
"had_balance_loss": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No balance loss reported within 30 days"
},
"had_appetite_loss": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No appetite loss reported within 30 days"
},
"had_staring_spells": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No staring spells reported within 30 days"
},
"had_hand_flapping": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No hand flapping reported within 30 days"
},
"had_toe_walking": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No toe walking reported within 30 days"
},
"had_gastrointestinal_problems": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "GI problems like reflux were preexisting, not new within 30 days"
},
"had_hyperactivity": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No hyperactivity reported within 30 days"
},
"had_ear_infections": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "Ear infections occurred later, not within 30 days"
},
"had_vomiting": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No vomiting reported within 30 days"
},
"had_sleep_problems": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No sleep problems reported within 30 days"
},
"had_encephalopathy": {
"value": false,
"ongoing": false,
"days_to_symptom_onset": null,
"citations": [3],
"explanation": "No encephalopathy reported within 30 days"
}
},
"diagnosis_record": {
"asd_severity": {
"value": 2,
"citations": [151],
"explanation": "Rated in 'moderate' autism category"
},
"diagnosis_name": [
{
"value": "autism",
"citations": [150],
"explanation": "Diagnosed with autism by autism resource center"
},
{
"value": "Mixed Expressive Receptive Language Disorder",
"citations": [96],
"explanation": "Diagnosed by psychologist"
}
],
"diagnosing_professional": [
{
"value": "autism resource center",
"citations": [150],
"explanation": "Made autism diagnosis"
},
{
"value": "psychologist",
"citations": [96, 98],
"explanation": "Conducted evaluations and diagnoses"
}
]
},
"intervention_record": {
"interventions": [
{
"value": "speech_therapy",
"citations": [77, 86],
"explanation": "Speech therapy recommended multiple times"
},
{
"value": "occupational_therapy",
"citations": [143],
"explanation": "Occupational therapy recommended"
},
{
"value": "aba",
"citations": [154],
"explanation": "Applied behavioral analysis recommended"
},
{
"value": "social_skills",
"citations": [77, 154],
"explanation": "Social skills training recommended"
},
{
"value": "other",
"citations": [78, 79],
"explanation": "Behavior modifications and special instruction recommended"
}
],
"is_intervention_ongoing": {
"value": true,
"citations": [154],
"explanation": "Interventions were recommended and likely ongoing"
},
"has_recovery": {
"value": false,
"citations": [11, 160],
"explanation": "No recovery reported; autism persisted"
}
},
"birth_record": {
"was_normal_pre_vaccination": {
"value": false,
"citations": [24, 32],
"explanation": "Had preexisting conditions from birth, including prematurity complications"
},
"apgar_score": [
{
"value": "8 at 1 minute, 9 at 5 minutes",
"citations": [29],
"explanation": "Apgar scores provided at birth"
}
]
},
"behavior_record": {
"repetitive_behaviors": [
{
"value": "lining up toys and objects",
"citations": [126],
"explanation": "Observed lining up blocks, chairs, etc."
},
{
"value": "repetitive language use",
"citations": [148],
"explanation": "Used language repetitively"
}
]
},
"heavy_metal_tests": [
{
"metal_type": "lead",
"value": 16,
"unit": "ug/L",
"is_elevated": false,
"citations": [20],
"explanation": "Urine lead level within reference range (0-79 ug/L)"
},
{
"metal_type": "arsenic",
"value": 60,
"unit": "ug/L",
"is_elevated": false,
"citations": [20],
"explanation": "Urine arsenic level within reference range (0-99 ug/L)"
},
{
"metal_type": "mercury",
"value": 10,
"unit": "ug/L",
"is_elevated": false,
"citations": [20],
"explanation": "Urine mercury level less than 10 ug/L, within reference range (0-19.9 ug/L)"
}
],
"comorbidities": [
{
"value": "other",
"citations": [32],
"explanation": "Preexisting conditions include gastroesophageal reflux, apnea, etc."
}
],
"environmental_exposures": [
{
"value": "unknown",
"citations": [20],
"explanation": "No specific environmental exposures reported"
}
],
"legal_matter": {
"value": true,
"citations": [22],
"explanation": "Report received as part of litigation proceedings"
},
"diagnosis_reporting_delay_reason": {
"value": "litigation proceedings",
"citations": [22],
"explanation": "Delay likely due to legal context of the report"
}
}
```Metrics
{
"elapsed": 164.05108404159546,
"usage": {
"prompt_tokens": 13586,
"completion_tokens": 13255,
"total_tokens": 26841,
"prompt_tokens_details": null,
"completion_tokens_details": null
}
}