THE TICKER · HEAD-TO-HEAD · CHECKED DAILY · LAST CHANGE 2026-08-04
CLAUDE HAIKU 4.5 VS GPT-5 MINI
Anthropic vs OpenAI, in USD per million tokens, verified daily against public list prices. Same jobs, both meters running.
Claude Haiku 4.5 costs 2.6x more than GPT-5 Mini for the same job — a 1,000-token prompt with a 3,000-token reply runs $0.02 vs $0.0063. At 1,000 runs a day, that gap is $292.50 a month for identical traffic.
SIDE BY SIDE
| Claude Haiku 4.5 → | GPT-5 Mini → | |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Input / MTok | $1.00 | $0.250 |
| Output / MTok | $5.00 | $2.00 |
| Output multiple | 5.0x | 8.0x |
| 1K prompt + 3K reply | $0.02 | $0.0063 |
SAME JOB, BOTH BILLS
| Scenario | Claude Haiku 4.5 | GPT-5 Mini | Gap |
|---|---|---|---|
| A typical prompt | $0.0048 | $0.0019 | 2.6x |
| A 20-turn conversation | $0.02 | $0.0090 | 2.7x |
| Summarizing a 10-page document | $0.02 | $0.0084 | 2.9x |
| One agent run | $0.06 | $0.02 | 2.5x |
| A code review request | $0.02 | $0.0079 | 2.6x |
Output sizes use the same editorial ratios as the Burn Calculator. Estimates, not invoices — and price is not a benchmark: the cheaper model is only a bargain if it does the job.
SETTLE IT WITH YOUR OWN PROMPT
Paste a real prompt into the Burn Calculator and see what it costs on Claude Haiku 4.5, GPT-5 Mini and the other 15 models on the board — plus how much of it is waste either way.