GPT-5.4 vs DeepSeek R1

Comprehensive comparison of OpenAI's GPT-5.4 and DeepSeek's DeepSeek R1. Pricing, specs, benchmarks, use cases, and recommendations.

Quick Verdict

Overall Value
DeepSeek R1
Best Context
GPT-5.4
81% cheaperBest Value
G
GPT-5.4
OpenAI
$2.50 / $15.00
D
DeepSeek R1
DeepSeek
$0.70 / $2.50

Overview

GPT-5.4 (OpenAI) and DeepSeek R1 (DeepSeek) represent two different approaches to AI. GPT-5.4 is a gpt5-class model with 256K context, priced at $2.50/$15.00 per 1M tokens. DeepSeek R1 is a deepseek-class model with 128K context, priced at $0.70/$2.50 per 1M tokens.

Balanced performance and cost. The recommended model for most production workloads.. Reasoning specialist with step-by-step thinking. Excellent for complex math and logic problems.. Both are available through AI API Hub with USDT and USDC payments — no credit card required.

At current pricing, using DeepSeek R1 saves you approximately Save $1.80 per 1M input tokens versus the other, making it the more budget-friendly choice for high-volume applications.

Cost Calculator

GPT-5.4
$10.00
/month
DeepSeek R1
$1.95
/month
💡 DeepSeek R1 saves $8.05/month (81%) vs GPT-5.4

Technical Specifications Comparison

SpecificationGPT-5.4DeepSeek R1
ProviderOpenAIDeepSeek
Release Date2026-052025-01
Context Window256K128K
Max Output Tokens16,38432,768
Input Price$2.50/1M$0.70/1M
Output Price$15.00/1M$2.50/1M
VisionYes ✓No
AudioNoNo
Function CallingYes ✓No
JSON ModeYes ✓No
StreamingYes ✓No
Fine TuningYes ✓No
Rate Limits10K RPM2K RPM
Statusactiveactive

Pros & Cons

GPT-5.4

Advantages
  • ✓Excellent performance
  • ✓Lower cost than 5.5
  • ✓Daily workhorse
Limitations
  • ✗Not the latest frontier
  • ✗Higher cost than DeepSeek

DeepSeek R1

Advantages
  • ✓Chain-of-thought
  • ✓Math expert
  • ✓Deep reasoning
Limitations
  • ✗Slow output
  • ✗Only math/STEM focused

Benchmarks

BenchmarkGPT-5.4DeepSeek R1
MMLUN/AN/A
GPQAN/AN/A
SWE-benchN/AN/A
HumanEvalN/AN/A
GSM8KN/AN/A
MATHN/AN/A
MMMUN/AN/A
Benchmark scores are not publicly available for most models. We list official scores when published by the provider.

Best For

Use CaseGPT-5.4DeepSeek R1
Coding★★★
AI Agents★★★★
Research★★★★
Writing★★★★
Enterprise★★★★★

Performance & Pricing Analysis

Performance: GPT-5.4 delivers excellent performance with 256K context. DeepSeek R1 delivers chain-of-thought with 128K context. Both models serve different audiences — GPT-5.4 targets excellent performance and lower cost than 5.5, while DeepSeek R1 targets chain-of-thought and math expert.

Pricing: At $2.50/$15.00 vs $0.70/$2.50 per 1M tokens, DeepSeek R1 is the more affordable choice. For a typical workload of 1M requests/month at 1K tokens input and 500 tokens output, DeepSeek R1 saves approximately $8.05/month.

Recommendation: Choose DeepSeek R1 if you prioritize cost-efficiency. Both models are available through AI API Hub with USDT/USDC payments and instant activation. Start with $5 and access all models through one API key.

Frequently Asked Questions

What is the difference between GPT-5.4 and DeepSeek R1?

GPT-5.4 is OpenAI's gpt5 model with 256K context at $2.50/1M input. DeepSeek R1 is DeepSeek's deepseek model with 128K context at $0.70/1M input. They serve different ecosystems — access both through AI API Hub with one key.

Which model is cheaper?

DeepSeek R1 is cheaper at $0.70/1M input vs $2.50/1M for GPT-5.4. You save $1.80 per 1M input tokens with DeepSeek R1.

Which model is better for coding?

Coding capabilities vary by model. Check the features section above for details.

Which model has a larger context window?

GPT-5.4 has a larger context window (256K vs 128K) — $100% more capacity.

Can both models use function calling?

Function calling support varies. GPT-5.4 supports it. DeepSeek R1 does not support it.

How much does GPT-5.4 cost?

GPT-5.4 costs $2.50/1M input tokens and $15.00/1M output tokens with 256K context. Pay-as-you-go, no minimum. Sign up at AI API Hub and start with $5.

How much does DeepSeek R1 cost?

DeepSeek R1 costs $0.70/1M input tokens and $2.50/1M output tokens with 128K context. Pay-as-you-go, no minimum. Sign up at AI API Hub and start with $5.

Which model is better for enterprise use?

Neither model targets the premium enterprise tier exclusively. For enterprise needs, consider flagship models with higher quality guarantees.

Which model is better for AI agents?

Agent capabilities vary. Check the function calling support in the specs table above.

How do I access these APIs?

Access both GPT-5.4 and DeepSeek R1 through AI API Hub: (1) Register at api.apiyihe.org/register?aff=8JZC, (2) Deposit USDT/USDC, (3) Get your API key, (4) Use OpenAI-compatible endpoint https://api.apiyihe.org/v1 with model names "gpt-5.4" or "deepseek-r1". One API key gives access to all models.

Related Models

GPT-5.5$5.00/1MGPT-4.1$2.00/1MGPT-4.1 Mini$0.40/1MDeepSeek V4 Pro$0.55/1MDeepSeek V4 Flash$0.27/1MDeepSeek Chat$0.27/1M

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