Claude Haiku 4.5 vs Claude Sonnet 5
anthropic/claude-haiku-4.5 · anthropic/claude-sonnet-5
As of October 25, 2026, Claude Haiku 4.5 is the cheaper API on UberLLM: $0.1400 per million input tokens and $0.7000 per million output, versus $0.1600 / $0.8000 for Claude Sonnet 5 — about 13% less on a blended 3:1 token mix. Both are reached through one OpenAI-compatible key and routed to the cheapest healthy seller, with no UberLLM fee added, so the price you see is the price you pay. Choose Claude Haiku 4.5 to cut cost; choose Claude Sonnet 5 when context size wins — Claude Sonnet 5 carries the larger context window (1,000,000 vs 200,000 tokens), which can matter for long-document work.
Claude Haiku 4.5 vs Claude Sonnet 5, side by side
| Spec | Claude Haiku 4.5 | Claude Sonnet 5 |
|---|---|---|
| Price · input / 1M | $0.1400 | $0.1600 |
| Price · output / 1M | $0.7000 | $0.8000 |
| Context length | 200,000 | 1,000,000 |
| Max output tokens | 32,000 | 64,000 |
| Input modalities | text | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Reasoning | Yes | Yes |
| Cheapest seller | UberLLM | UberLLM |
| % off list | 86% off | 92% off |
Live prices via UberLLM, routed to the cheapest healthy seller. The price shown has no UberLLM fee added. Updated October 25, 2026.
Claude Haiku 4.5 vs Claude Sonnet 5 — FAQ
Is Claude Haiku 4.5 or Claude Sonnet 5 cheaper?
Claude Haiku 4.5 is cheaper on a blended token mix, by about 13%. UberLLM routes every request to the cheapest healthy seller and bills the price shown, with no fee added.
What's the price difference between Claude Haiku 4.5 and Claude Sonnet 5?
Claude Haiku 4.5: $0.1400 in / $0.7000 out per 1M tokens. Claude Sonnet 5: $0.1600 in / $0.8000 out per 1M tokens. That's roughly a 13% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Claude Haiku 4.5 and Claude Sonnet 5 with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.