OpenAI: GPT-5.1-Codex
budgetopenai/gpt-5.1-codex
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
AA INDEX23.7
CONTEXT400K
MODALITYtext+image->text
OPENNESSProprietary
ADDEDAug 2026
LAST PRICED10 min ago
Input
$1.25 /M
Output
$10.00 /M
Blended (40/60)
$6.50 /M
Cost / IQ
$10.9705 /M
Cost / IQ = Blended Price ÷ (AA Intelligence Score ÷ 40). Normalises price by model intelligence so you can compare value across tiers. Lower = better value per unit of intelligence. Not a transactional price.
24h0%
7d0%
Price History
30-day view, daily close
Low: $6.50/M
High: $6.50/M
Average: $6.50/M
Pricing Variants
Cached Input
$0.13/M
89.6% cheaper than standard
Provider Comparison
1 providers · click a column to sort
| Provider | Input $/M | Output $/M | Blended $/M ↑ | vs Median |
|---|---|---|---|---|
| ↓Azure | $1.25 | $10.00 | $6.50 | median |
Blended price = 40% input + 60% output. Median price shown in header is the reference price for this model.
Cost / IQ Comparison
Cost / IQ (quality-adjusted $/M)$10.9705/M
Cost per GPT-4-equivalent token. Lower = better value. Comparable across all models.
466.3% above SIT TPI
Value Ranking (by Cost / IQ)
Rank #103 of 189 budget models
← YOU ARE HERE | OpenAI: GPT-5.1-Codex
Data Sources
Source
Aggregator
1 source · updated recently
API Access
# Get this model's current price
curl https://api.inferenceindexer.ai/v1/models/openai/gpt-5.1-codex
# Response (truncated)
{ "model_id": "openai/gpt-5.1-codex", "name": "OpenAI: GPT-5.1-Codex", "blended_price_per_m": 6.5, "sit_adjusted_price": 10.970464 }