GPT-5.1 Codex Mini
Provider: openai · served via OpenCode
Listed as deprecated on OpenCode Zen, deprecation date July 23, 2026.
Sticker prices & cost-per-token
List rates as published by OpenCode, before any volume or enterprise discounts.
$0.25
$2.00
$0.02
Get this data free
Want to stay updated on price changes on this model? Pull this data free (no API key required) here:
curl "https://coolhandlabs.com/api/v2/inference_apis?q%5Bmodel_eq%5D=gpt-5.1-codex-mini&q%5Bsource_api_eq%5D=opencode"Pricing History
| Effective | Price |
|---|---|
| Aug 12, 2026 – present | Input cost: $0.25 / 1M, Output cost: $2.00 / 1M, Cached input cost: $0.02 / 1M, Cache creation cost: $0.00 / 1M, 5-minute cache write cost: $0.00 / 1M, 1-hour cache write cost: $0.00 / 1M, Reasoning output cost: $0.00 / 1M, Cache storage cost: $0.00 / 1M/hr |
History
Last change detected August 17, 2026 (24 days ago) by an automated scan.
| Date | Changed by | What changed |
|---|---|---|
| Aug 12, 2026 | Unknown | Initial record created |
Source
https://opencode.ai/docs/zen/ (via https://models.dev/api.json)Comparable models
No comparable models identified yet.
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
GPT-5.1 Codex Mini (openai via OpenCode) costs $0.25 per 1M input tokens and $2.00 per 1M output tokens, as last published by OpenCode.
Yes — openai deprecated GPT-5.1 Codex Mini on July 23, 2026. Listed as deprecated on OpenCode Zen, deprecation date July 23, 2026.
openai retired GPT-5.1 Codex Mini on July 23, 2026.
Since GPT-5.1 Codex Mini is deprecated, openai customers are moving to GPT-4, GPT-4.1, and GPT-4.1 Mini.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=opencode&q[model_eq]=gpt-5.1-codex-mini — free, no API key required, and scoped to just this model since source_api and model together are unique. See https://coolhandlabs.com/docs for the full REST API reference.
Coolhand also tracks GPT-4, GPT-3.5 Turbo 0125, GPT-3.5 Turbo 1106, GPT-3.5 Turbo Instruct, GPT-4 Turbo Vision, and GPT-5.3 Chat (latest) from openai. Some may already be deprecated, so check each model's status alongside its current pricing.
| Model | Input cost | Output cost | Status |
|---|---|---|---|
| GPT-4 | $30.00/1M $0.0000300000 | $60.00/1M $0.0000600000 |
Deprecated Oct 23, 2026
|
| GPT-3.5 Turbo 0125 via Azure | $0.50/1M $0.0000005000 | $1.50/1M $0.0000015000 |
Deprecated Aug 13, 2026
|
| GPT-3.5 Turbo 1106 via Azure | $1.00/1M $0.0000010000 | $2.00/1M $0.0000020000 |
Deprecated Aug 13, 2026
|
| GPT-3.5 Turbo Instruct via Azure | $1.50/1M $0.0000015000 | $2.00/1M $0.0000020000 |
Deprecated Aug 13, 2026
|
| GPT-4 Turbo Vision via Azure | $10.00/1M $0.0000100000 | $30.00/1M $0.0000300000 |
Deprecated Aug 13, 2026
|
| GPT-5.3 Chat (latest) | $1.75/1M $0.0000017500 | $14.00/1M $0.0000140000 |
Deprecated Aug 13, 2026
|
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