$1.25 input / $10.00 output
💰 Calculate Your Savings
See how much you'd save by switching from GPT-5 to the cheapest alternative
$56,730/yr
savings by switching to DeepSeek V4 Pro
GPT-5: $61,250/yr → DeepSeek V4 Pro: $4,520/yr
Frequently Asked Questions
What is the cheapest GPT-5 alternative?
Gemini 2.5 Flash-Lite is the cheapest at $0.10/$0.40 per million tokens — 92% cheaper on input and 96% cheaper on output. For a model with similar capabilities, DeepSeek V4 Pro at $0.435/$0.87 offers the best balance of quality and cost savings (65-91% cheaper).
How much cheaper is DeepSeek V4 Pro vs GPT-5?
DeepSeek V4 Pro costs $0.435 input / $0.87 output per million tokens, compared to GPT-5's $1.25/$10. That's 65% cheaper on input and 91% cheaper on output. For a typical workload of 1M input + 500K output tokens per month, you'd save approximately $5,032 per year.
Is Gemini 3.5 Flash a good replacement for GPT-5?
Gemini 3.5 Flash is a strong mid-tier alternative at $1.50/$9 per million tokens — 20% more expensive on input but 10% cheaper on output than GPT-5. It offers 1M token context (vs GPT-5's 272K) and competitive quality for most tasks.
Can I switch from GPT-5 without rewriting my code?
Mostly yes. Most alternative providers offer OpenAI-compatible APIs, so switching often requires just changing the API endpoint and key. DeepSeek, Together (Llama), and several others support the OpenAI API format directly.
What's the best GPT-5 alternative for coding tasks?
For coding tasks, Claude Sonnet 4.6 ($3/$15) is widely considered the strongest alternative with excellent code generation and 1M context. For budget-conscious teams, DeepSeek V4 Pro ($0.435/$0.87) offers surprisingly strong coding performance at 91% less cost.
Unlock Your Full Savings Report
Get a personalized migration report with exact savings, code snippets, and the cheapest alternative for your workload.
No credit card required · Instant access · No signup required