Codex CLI vs DeepSeek-V4: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Codex CLI and DeepSeek-V4 side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Codex CLI leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Codex CLI
OpenAI official terminal coding agent
Best for you if:
- • You want a free tier before you commit
DeepSeek-V4
The next-generation flagship AI model for repo-level coding and long-context reasoning.
Best for you if:
- • You want a tool that enables advanced repo-scale agent workflows, including refactoring and multi-file debugging
| At a Glance | Codex CLI | DeepSeek-V4 |
|---|---|---|
Starts at | Free plan | Not published |
Category | AI Coding Terminal Tools | AI Coding AI Agents |
Rating | n/a | n/a |
Free plan | Yes | No |
Choose Codex CLI or DeepSeek-V4?
Choose Codex CLI if
- You want a free tier before you commit
Choose DeepSeek-V4 if
- You want a tool that enables advanced repo-scale agent workflows, including refactoring and multi-file debugging
In-Depth Analysis
Codex CLI
OpenAI official terminal coding agent
The pricing for Codex CLI is exceptionally fair and generous, as it is entirely free under an open-source license.
Strengths
- Pro: Official OpenAI product
- Pro: Fast Rust implementation
- Pro: Multi-modal input support
- Pro: Integrated code review
- Pro: Included with ChatGPT Plus
Weaknesses
- Con: Requires ChatGPT subscription
- Con: No free tier
- Con: OpenAI ecosystem lock-in
- Con: Newer than competitors
- Con: Less community content
Key features
DeepSeek-V4
The next-generation flagship AI model for repo-level coding and long-context reasoning.
The $0.01-$0.14 per 1M tokens range is competitive: the low end is cheaper than most proprietary APIs, while the high end aligns with standard pricing for advanced reasoning features.
Strengths
- Pro: Potential for significant cost reduction in AI development due to competitive pricing and open weights.
- Pro: Enables advanced repo-scale agent workflows, including refactoring and multi-file debugging.
- Pro: Supports local and self-hosted adoption, offering greater control over data and customization.
- Pro: High performance expected in coding, math, and long-prompt scenarios.
Weaknesses
- Con: The product is not yet released, and all specifications are based on rumors and leaks.
- Con: Leaked benchmarks are unverified and may not reflect official performance.
- Con: Release timing is uncertain, with possibilities of delays.
Key features
Plans and prices: Codex CLI vs DeepSeek-V4
| Tool | Plans and prices | Source |
|---|---|---|
| Codex CLI |
| openai.com/chatgpt/pricing read Sep 30, 2026 |
| DeepSeek-V4 |
| deepseek-v4.ai read Oct 6, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Codex CLI pricing and DeepSeek-V4 pricing.
Key Takeaways
Codex CLI
- Has a free plan
DeepSeek-V4
- Worth considering for AI coding
What the data shows
On the data below, Codex CLI leads on a free plan. We do not name an overall winner for this pair.
- Only Codex CLI has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Codex CLI and DeepSeek-V4 compare in 2026?
On the data below, Codex CLI leads on a free plan. We do not name an overall winner for this pair. Only Codex CLI has a free plan.
What are Codex CLI and DeepSeek-V4 used for?
Codex CLI: OpenAI official terminal coding agent. DeepSeek-V4: The next-generation flagship AI model for repo-level coding and long-context reasoning.
What does Codex CLI cost vs DeepSeek-V4?
Codex CLI has no public paid-plan price on file. DeepSeek-V4 has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 6, 2026.
What's the main difference between Codex CLI and DeepSeek-V4?
Codex CLI's main strength: official OpenAI product. DeepSeek-V4's main strength: potential for significant cost reduction in AI development due to competitive pricing and open weights.
Spotted an outdated price or a wrong fact? Suggest a correction: we check it against the vendor's own page. Work for one of these vendors? Claim your listing to update it yourself.