TL;DR — Haiku 4.5 costs ~7–8× GPT-4o-mini ($1/$5 vs $0.15/$0.60) — the two best-known budget tiers are not actually in the same tier. Every number below is from our weekly-verified pricing tracker (verified 2026-08-26).
Pricing side by side (per 1M tokens, USD)
| Model | Provider | Input | Output | |-------|----------|-------|--------| | Claude Haiku 4.5 | Anthropic | $1 | $5 | | GPT-4o-mini | OpenAI | $0.15 | $0.6 |
Verified 2026-08-26 against official rate cards — the tracker keeps the change log.
What a real month costs
At a standard workload of 10M input + 2M output tokens/month:
- Claude Haiku 4.5: $20.00
- GPT-4o-mini: $2.70
On this mix, GPT-4o-mini is the cheaper column (7.4× gap). Your ratio will differ — run your own mix through the LLM cost calculator.
Choose Claude Haiku 4.5 if
your 'cheap' tasks still need real capability — Haiku 4.5 handles reasoning-lite work (structured extraction with judgment, decent chat) that sits above mini's ceiling.
Choose GPT-4o-mini if
true bulk: at $0.15/$0.60, GPT-4o-mini is the default answer for classification, routing decisions, tagging, and dedup at scale.
Routing decision card
- Treat these as two different rungs, not competitors: mini for mechanical bulk, Haiku for judgment-lite
- The 7–8× gap means 'which budget model' is a real routing decision with real money attached
- Details: Haiku 4.5 · GPT-4o-mini
- The router answer: most teams shouldn't hard-pick one — ClawRouters routes each request to whichever side fits it, so the comparison becomes a per-call decision instead of a bet.
Per-model detail: Claude Haiku 4.5 deep dive · GPT-4o-mini deep dive
Part of the LLM model comparison index. Prices move fast in 2026 — the tracker logs every change with dates.