GPT-6.1 Sol vs o3
o3 is cheaper than GPT-6.1 Sol by about 13% on a blended (75% input / 25% output) basis. GPT-6.1 Sol charges $2.00 / $10.00 per 1M input/output tokens; o3 charges $2.00 / $8.00.
| Field | GPT-6.1 Sol | o3 |
|---|---|---|
| Input $/Mtok | $2.00 | $2.00 |
| Output $/Mtok | $10.00 | $8.00 |
| Cache read $/Mtok | $0.10 | $0.50 |
| Cache write $/Mtok | $2.50 | – |
| Input $/Mchar | 0.56 | 0.56 |
| Output $/Mchar | 2.82 | 2.25 |
| Context window | – | 200000 |
| Tokenizer | o200k | o200k |
| Confidence? | official | api |
| Source | official-openai | openrouter |
Confidence: official = vendor pricing page · api = OpenRouter per-host · aggregator = community list, may lag · unreviewed = automatic extraction awaiting review. When sources disagree the most authoritative wins. Details: /methodology#confidence
Price history
Same workload, monthly cost
Illustrative monthly cost at 10M tokens/month, split per workload preset. Not a substitute for the calculator, which uses your own volume, cache and batch assumptions.
| Workload | GPT-6.1 Sol | o3 |
|---|---|---|
| Coding agent | $24.00 | $23.00 |
| RAG chat | $32.00 | $29.00 |
| Summarisation (batch) | $28.00 | $26.00 |
| Classification | $21.60 | $21.20 |
| Chat assistant | $52.00 | $44.00 |
| Content generation | $84.00 | $68.00 |
Cite this page
GPT-6.1 Sol vs o3: $2.00/$10.00 vs $2.00/$8.00 per 1M tokens as of 2026-10-04. Token Barometer by Dejan Strbad, https://tokenbarometer.com, data CC BY 4.0. https://tokenbarometer.com/compare/openai_gpt-6.1-sol-vs-openai_o3