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GPT 5.1 Codex Mini vs DeepSeek V4 Pro (0813)

At a glance

Compact coding model for fast, cost-efficient development tasks.

400K ctx$0.25/$2.00 per M

The GA release of DeepSeek's open 1.6T-parameter MoE flagship for advanced reasoning and long-horizon agents.

1.0M ctx$0.66/$1.98 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Cheaper30%
Agentic
Terminal Tasks61.6%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Agentic
Terminal Tasks—
Specs
400K
Context
100K
Max output
Nov 2025
Released
1.0M
Context
256K
Max output
Aug 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input62%$0.25/M tokens
Output$2.00/M tokens
Cache read$0.02/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$0.66/M tokens
Output1%$1.98/M tokens
Cache read16%$0.02/M tokens
Chat with GPT 5.1 Codex MiniGo to model
Chat with DeepSeek V4 Pro (0813)Go to model
Frequently Asked Questions: GPT 5.1 Codex Mini vs DeepSeek V4 Pro (0813)▼

Which is better, GPT 5.1 Codex Mini or DeepSeek V4 Pro (0813)?

▼

Both GPT 5.1 Codex Mini and DeepSeek V4 Pro (0813) are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT 5.1 Codex Mini or DeepSeek V4 Pro (0813)?

▼

GPT 5.1 Codex Mini has a lower blended cost. GPT 5.1 Codex Mini: $0.25 input / $2.00 output. DeepSeek V4 Pro (0813): $0.66 input / $1.98 output.

Which has a larger context window, GPT 5.1 Codex Mini or DeepSeek V4 Pro (0813)?

▼

DeepSeek V4 Pro (0813) has a larger context window: GPT 5.1 Codex Mini supports 400K tokens vs DeepSeek V4 Pro (0813) at 1M tokens.

Do both GPT 5.1 Codex Mini and DeepSeek V4 Pro (0813) support vision?

▼

GPT 5.1 Codex Mini supports vision/image input, but DeepSeek V4 Pro (0813) does not.

What are the key differences between GPT 5.1 Codex Mini and DeepSeek V4 Pro (0813)?

▼

Key differences: GPT 5.1 Codex Mini is significantly cheaper; only GPT 5.1 Codex Mini supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 5.1 Codex Mini and DeepSeek V4 Pro (0813) for free on idapt.app to see which performs better for your specific needs.

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