GPT-5 vs Claude API Pricing: 2026 Comparison
Developers choosing between GPT-5 and Claude in 2026 face a pricing landscape that's changed dramatically. Both OpenAI and Anthropic have released multiple tiers — from budget to flagship. Here's the real cost breakdown, including where to get them cheaper.
Quick Price Comparison
| Model | Input (per 1M) | Output (per 1M) | Context | Best For |
|---|---|---|---|---|
| GPT-5.6 Terra (Qubax) | $0.03 | $0.20 | 1M | High-volume, cost-sensitive |
| GPT-5.6 Terra (OpenRouter) | $2.50 | $15.00 | 1M | — |
| GPT-5.6 Sol (Qubax) | $0.26 | $1.56 | 1M | General purpose |
| GPT-5.6 Sol (OpenRouter) | $5.00 | $30.00 | 1M | — |
| Claude Sonnet 5 (Qubax) | $0.33 | $1.67 | 1M | Coding, reasoning |
| Claude Sonnet 5 (OpenRouter) | $2.00 | $10.00 | 1M | — |
| Claude Opus 5 (Qubax) | $0.97 | $4.88 | 1M | Complex reasoning |
| Claude Opus 5 (OpenRouter) | $5.00 | $25.00 | 1M | — |
The Verdict
For budget: GPT-5.6 Terra on Qubax at $0.03/1M input — that's 99% off OpenRouter. At this price, you can process 100M input tokens for just $3.25.
For coding: Claude Sonnet 5 on Qubax at $0.33/1M input. Claude's superior code understanding plus 83% discount makes it the best value for developer tools like Cline and Cursor.
For complex reasoning: Claude Opus 5 on Qubax at $0.97/1M input — Anthropic's flagship at 80% off.
Monthly Cost Estimates
Assuming a coding workload (8K input, 2K output, 500 requests/day, 30-day month):
| Model | Monthly Cost (Qubax) | Monthly Cost (OpenRouter) | Savings |
|---|---|---|---|
| GPT-5.6 Terra | $0.01 | $0.75 | 99% |
| GPT-5.6 Sol | $0.08 | $1.50 | 95% |
| Claude Sonnet 5 | $0.09 | $0.54 | 83% |
| Claude Opus 5 | $0.26 | $1.35 | 80% |
How to Switch from OpenRouter
- Sign up at qubax.ai — $1 free credits
- Create an API key
- Change your base URL from
https://openrouter.ai/api/v1tohttps://api.qubax.ai/v1 - Use the same model IDs (e.g.,
claude-sonnet-5,gpt-5.6-terra) - Pay with USDC on Base instead of credit card
That's it. Same API format, same models, up to 99% cheaper.
Explore Model Pages
Compare prices yourself at [qubax.ai/models](https://qubax.ai/models) — all prices update in real-time.