Claude Haiku 5.5 vs GPT-6.1 Sol: cost per task
Claude Haiku 5.5 is cheaper on 14 of 14 tasks and about 8.7x cheaper on average (geometric mean).
| Task | Claude Haiku 5.5 | GPT-6.1 Sol | Difference |
|---|---|---|---|
| Answer a chat question | 0.07¢ | 0.67¢ | 10.3x |
| Reply to a customer email | 0.04¢ | 0.18¢ | 5.0x |
| Write a 1,500-word blog post | 0.19¢ | 2.3¢ | 12.2x |
| Write 10 product descriptions | 0.21¢ | 1.2¢ | 5.8x |
| Translate 1,000 words | 0.13¢ | 1.6¢ | 12.7x |
| Proofread one page (500 words) | 0.07¢ | 0.81¢ | 11.4x |
| Summarize a 20-page PDF | 0.22¢ | 3.1¢ | 14.1x |
| Extract data from an invoice | 0.06¢ | 0.52¢ | 8.2x |
| Analyze a 200-row spreadsheet | 0.85¢ | 8.4¢ | 9.9x |
| Answer from 5 retrieved documents (RAG) | 0.14¢ | 1.2¢ | 8.2x |
| Classify 100 support tickets | 0.09¢ | 0.77¢ | 8.4x |
| Review 500 lines of code | 0.66¢ | 4.9¢ | 7.4x |
| Write a SQL query | 0.08¢ | 0.48¢ | 5.7x |
| Run a 50-step coding agent | 6.6¢ | 53¢ | 8.0x |
Specs and list prices
| Claude Haiku 5.5 | GPT-6.1 Sol | |
|---|---|---|
| Input per 1M | $0.10 | $2.00 |
| Output per 1M | $0.50 | $10.00 |
| Cached input per 1M | $0.01 | $0.10 |
| Context | 1M | 1.05M |
| Providers | 10 | 8 |
| Reasoning | default | always |
| LMArena Text | - | 1484 |
| Released | Oct 7, 2026 | Sep 29, 2026 |
FAQ
Is Claude Haiku 5.5 or GPT-6.1 Sol cheaper?
Claude Haiku 5.5 is cheaper on 14 of 14 tasks and about 8.7x cheaper on average (geometric mean).
How much does Claude Haiku 5.5 cost compared to GPT-6.1 Sol per token?
Claude Haiku 5.5: $0.10 input and $0.50 output per 1M tokens. GPT-6.1 Sol: $2.00 input and $10.00 output. Token prices alone mislead - models use different numbers of tokens for the same task, which is what the task table shows.