Codex Mini
azure-cognitive-services/codex-miniBy azure-cognitive-services · family: gpt-codex-mini · released 2025-05-16 · knowledge: 2024-04
Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.
Capabilities
Model fit scores
0–100 · higher is betterThese scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.
Coding57
- Tool calling40/40
- Structured output0/20
- Reasoning10/10
- Context window (100K → 1M)6/20
- Provider availability1/10
Agents66
- Tool calling35/35
- Structured output0/25
- Reasoning15/15
- Output token limit15/15
- Provider availability1/10
JSON / structured output25
- Structured output / JSON mode0/50
- Tool calling20/20
- Temperature control0/10
- Price-friendly for high-volume5/20
Cost efficiency46
- Headline price (log-scaled)41/95
- Has prompt-cache pricing5/5
Long context55
- Context window (100K → 2M)45/90
- Has published price for full window10/10
Production-readiness65
- Number of independent providers5/40
- Has published per-token price20/20
- Context window ≥ 8K15/15
- No data inconsistencies across providers10/10
- Official model (not derivative)15/15
Cost Efficiency Index
Open full calculator →Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.
| Scenario | Cost | Assumption |
|---|---|---|
RAG answer per 1,000 RAG answers | $10.50 $0.01 per request | 5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot. |
Support ticket triage per 10,000 tickets | $21.00 < $0.01 per request | 1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support. |
Data extraction per 1,000 documents | $6.00 < $0.01 per request | 2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines. |
Code review per 1,000 PRs | $18.00 $0.02 per request | 8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads. |
Agent step per 1,000 steps | $21.60 $0.02 per request | 12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step. |
Pricing detail
Recommended pricing from azure-cognitive-services · codex-mini
Available on 1 providers
| Provider | Provider model id | Input / 1M | Output / 1M | Context | Released |
|---|---|---|---|---|---|
| Azure Cognitive Services azure-cognitive-services | codex-mini | $1.50 | $6.00 | 200K | 2025-05-16 |
Frequently asked questions
How much does Codex Mini cost?
Codex Mini costs $1.50 per 1M input tokens and $6.00 per 1M output tokens, sourced from azure-cognitive-services. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.
What is the context window of Codex Mini?
Codex Mini has a context window of 200K tokens, with a max output of 100K tokens per reply. This is the total combined size of prompt + completion.
Does Codex Mini support tool calling?
Yes. Codex Mini supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.
Does Codex Mini support structured output / JSON mode?
Support for structured output / JSON-schema-constrained decoding is not reported for Codex Mini in our data source. Verify with azure-cognitive-services's official documentation before relying on it in production.
Can Codex Mini accept image input?
No. Codex Mini only accepts text as input. If you need image input, see our /capabilities/vision list for current vision-capable models.
Is Codex Mini open-weight?
No. Codex Mini is a proprietary model — only azure-cognitive-services (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.
What are the best alternatives to Codex Mini?
If Codex Mini doesn't fit, consider MAI-DS-R1, text-embedding-3-small, Model Router. Each one targets the same use case — see the Related links below for direct head-to-head pages.
Where does this data come from?
All numbers come from the public models.dev API and are normalised into a single canonical model record. We re-pull daily and write any changes (price, context, capability) to the /changelog page.
Explore more
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Capability lists this model is in
Last updated:
Data is sourced from models.dev and normalized for comparison. Prices and capabilities may change. Always verify critical production decisions with the provider's official documentation.