GPT-5.1-Codex-Mini

OpenAIReleasedNov 13, 2025KnowledgeSep 2024
Context
272K
Max output
128K
Serving providers
2
Cheapest input
$0.25 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: Artificial Analysis
Headline indices
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
CritPt0%default
GPQA Diamond81%default
Humanity's Last Exam18%default
IFBench68%default
LiveCodeBench84%default
Long-Context Reasoning65%default
MMLU-Pro82%default
MMMU-Pro69%default
Omniscience-16.4default
Omniscience Accuracy0.2default
Omniscience Non Hallucination0.5default
SciCode43%default
TerminalBench Hard33%default
τ²-bench63%default

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
DatabricksCheapest$0.25$2.001
EndpointStd inStd outCached inBatch in / outModel ID
StandardCheapest$0.25$2.00$0.02databricks/databricks-gpt-5-1-codex-mini
OpenRouter$0.25$2.001

Price history

input + output $/1M since we started tracking
Input Output
$0.000$0.500$1.00$1.50$2.00Jul 19Jul 27Aug 19Aug 26$2.00$0.250

Cost calculator

estimate your monthly spend on this model
$210
estimated / month

Model IDs

copy the exact identifier for your platform
databricks/databricks-gpt-5-1-codex-miniopenai/gpt-5.1-codex-mini

Frequently asked questions

GPT-5.1-Codex-Mini pricing, context and availability

How much does GPT-5.1-Codex-Mini cost?

GPT-5.1-Codex-Mini costs $0.25 per 1M input tokens and $2.00 per 1M output tokens at its cheapest provider via Databricks. Across 2 serving providers, input prices range from $0.25 to $0.25 per 1M tokens.

What is the context window of GPT-5.1-Codex-Mini?

GPT-5.1-Codex-Mini accepts up to 272K tokens of context and can return up to 128K output tokens.

Which providers serve GPT-5.1-Codex-Mini?

GPT-5.1-Codex-Mini is available from 2 serving providers, each with its own pricing and model ID. Databricks is currently the cheapest.

What can GPT-5.1-Codex-Mini do?

GPT-5.1-Codex-Mini supports prompt caching.

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