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OpenAI: GPT-5.1 Codex Mini

openai·openai/gpt-5.1-codex-mini-3·GA·Closed·gpt-codex series

Image model for prompt-driven generation, editing, and visual design workflows

At a glance
Reference price$0.25 / $2.00 per 1M
Cache read $0.025 · Helicone
Lowest paid$0.25 / $2.00
Helicone Gateway
Context400,000
Output limit128,000
Capabilities
ReasoningTool use? Structured outputTemperatureAttachments
Modalities
TextImage
Knowledge cutoff2025-01
Released / updated2025-01-01 / 2025-01-01

Quality & performance

Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.

Available at 1 providers1 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Helicone
gpt-5.1-codex-mini
Gateway$0.25$2.00$0.025400,000128,000

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Your usage cost

1Helicone$123.00
The cheapest paid channel is the only channel.

Related models

Price historyone sample accumulated per data sync

Input list $0.25Output list $2.00Min blended $0.688

Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-21). Each future sync adds a point, and once accumulated a line is drawn here.