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GPT-5 Codex (batch) pricing & benchmarks

GPT-5 Codex (batch) is available from OpenAI at $0.625 per million input tokens and $5.00 per million output tokens ($1.72 blended at 3:1). It accepts up to 400,000 tokens of context. GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

Pricing

Per million tokens · OpenRouter

Input$0.625

Output$5.00

Blended (3:1)$1.72

Specification

openai/gpt-5-codex:batch

Context window400K

Max output128K

ReleasedSep 2025

LicenceProprietary

Modalitiesin:text, in:image, out:text

No independently-run benchmark scores are published for GPT-5 Codex (batch) yet. We show nothing rather than reprinting an unverified figure.

Compare GPT-5 Codex (batch)

GPT-5 Codex (batch) vs Qwen3.8 Max GPT-5 Codex (batch) vs DeepSeek V4 Flash 0731 GPT-5 Codex (batch) vs Claude Opus 5 GPT-5 Codex (batch) vs Gemini 3.6 Flash GPT-5 Codex (batch) vs Kimi K3 GPT-5 Codex (batch) vs Grok 4.5 GPT-5 Codex (batch) vs Claude Sonnet 5 GPT-5 Codex (batch) vs GLM 5.2

FAQ

How much does GPT-5 Codex (batch) cost?

GPT-5 Codex (batch) costs $0.625 per million input tokens and $5.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $1.72 per million tokens.

What is GPT-5 Codex (batch)'s context window?

GPT-5 Codex (batch) accepts up to 400,000 tokens of context, and can generate up to 128,000 output tokens.