Morph's high-accuracy apply model for complex code edits. ~4,500 tokens/sec with 98% accuracy for precise code transformations. The model requires the prompt to be in the following format: <instruction>{instruction}</instruction> <code>{i…
Model details →Morph: Morph V3 Large vs OpenAI: GPT-5 Codex
OpenAI: GPT-5 Codex wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
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. The model supports…
Model details →Side-by-side comparison
| Capability | Morph: Morph V3 Large | OpenAI: GPT-5 Codex | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 400K | 🏆 OpenAI: GPT-5 Codex |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.90 | $1.25 | 🏆 Morph: Morph V3 Large |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.90 | $10.00 | 🏆 Morph: Morph V3 Large |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 OpenAI: GPT-5 Codex |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 OpenAI: GPT-5 Codex |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 OpenAI: GPT-5 Codex |
Frequently asked questions
Is Morph: Morph V3 Large better than OpenAI: GPT-5 Codex?
OpenAI: GPT-5 Codex wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Morph: Morph V3 Large and OpenAI: GPT-5 Codex?
Input: $0.90 vs $1.25 per 1M tokens. Output: $1.90 vs $10.00 per 1M tokens.
What context windows do Morph: Morph V3 Large and OpenAI: GPT-5 Codex support?
Morph: Morph V3 Large supports up to 262K tokens. OpenAI: GPT-5 Codex supports up to 400K tokens.
Do both Morph: Morph V3 Large and OpenAI: GPT-5 Codex support tool calling?
Morph: Morph V3 Large: not advertised. OpenAI: GPT-5 Codex: yes.