OpenAI: GPT-5.1-Codex-Max
standardopenai/gpt-5.1-codex-max
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
AA INDEXN/A
CONTEXT400K
MODALITYtext+image->text
OPENNESSProprietary
ADDEDAug 2026
LAST PRICED19 min ago
Input
$1.25 /M
Output
$10.00 /M
Blended (40/60)
$6.50 /M
Cost / IQ
N/A /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. No AA score available for this model.
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
90% 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)N/A (no AA score)
Cost per GPT-4-equivalent token. Lower = better value. Comparable across all models.
472.7% above SIT TPI
Value Ranking (by Cost / IQ)
Rank #86 of 148 standard models
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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-max
# Response (truncated)
{ "model_id": "openai/gpt-5.1-codex-max", "name": "OpenAI: GPT-5.1-Codex-Max", "blended_price_per_m": 6.5, "sit_adjusted_price": null }