Model comparison

GPT-4.1 vs GPT-5.1-Codex-Mini

Compare OpenAI: GPT-4.1 (OpenAI) and OpenAI: GPT-5.1-Codex-Mini (OpenAI) by price, context, capabilities, and latency.

Estimate costAll comparisons

Which should you pick?

  • Price: OpenAI: GPT-5.1-Codex-Mini is cheaper ($0.048 / 1M tokens input / $0.376 / 1M tokens output) vs OpenAI: GPT-4.1 ($0.289 / 1M tokens input / $1.16 / 1M tokens output).
  • Context: OpenAI: GPT-4.1 has the larger context window (1M tokens).

Side by side

OpenAI: GPT-4.1 vs OpenAI: GPT-5.1-Codex-Mini — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
OpenAI: GPT-4.1openai/gpt-4.1OpenAI$0.289 / 1M tokens$1.16 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat1000-3000msCatalogPlatform curated
OpenAI: GPT-5.1-Codex-Miniopenai/gpt-5.1-codex-miniOpenAI$0.048 / 1M tokens$0.376 / 1M tokens400k
StreamingTool callingJSON modeVision
image understanding, multimodal chat1000-3000msCatalogPlatform curated

FAQ

OpenAI: GPT-4.1 vs OpenAI: GPT-5.1-Codex-Mini FAQ

Is OpenAI: GPT-4.1 or OpenAI: GPT-5.1-Codex-Mini cheaper?

OpenAI: GPT-5.1-Codex-Mini is cheaper ($0.048 / 1M tokens input / $0.376 / 1M tokens output) vs OpenAI: GPT-4.1 ($0.289 / 1M tokens input / $1.16 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, OpenAI: GPT-4.1 or OpenAI: GPT-5.1-Codex-Mini?

OpenAI: GPT-4.1 is larger (1M tokens) vs 400k tokens.

OpenAI: GPT-4.1 vs OpenAI: GPT-5.1-Codex-Mini for Vision: which should I pick?

Both target Vision. Pick OpenAI: GPT-5.1-Codex-Mini to optimize cost, or OpenAI: GPT-4.1 for the longer context window. Test both on real prompts before committing production traffic.

OpenAI: GPT-4.1 detailsOpenAI: GPT-5.1-Codex-Mini detailsPricing calculatorOpenAI-compatible quickstart