OpenAI: GPT-5.1
Offerings
| Host | Variant | Region | Status | Input $/Mtok | Output $/Mtok | Cache read | Cache write | Latency / throughput soon | Confidence | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| azure | – | – | active | $1.250000 | $10.000000 | $0.130000 | – | – | high | openrouter, litellm |
| azure | – | swedencentral | active | $1.375000 | $11.000000 | $0.143000 | – | – | high | openrouter |
| openai | – | – | active | $1.250000 | $10.000000 | $0.125000 | – | – | high | openrouter, litellm |
| openai | – | fast | active | $2.500000 | $20.000000 | $0.250000 | – | – | high | openrouter |
| openai | – | flex | active | $0.625000 | $5.000000 | $0.062500 | – | – | high | openrouter |
| openrouter | – | – | active | $1.250000 | $10.000000 | $0.125000 | – | – | high | openrouter |
| perplexity | – | – | active | $1.250000 | $10.000000 | $0.125000 | – | – | medium | litellm |
Cite this page
OpenAI: GPT-5.1 costs $1.250000/$10.000000 per 1M tokens on openai as of 2026-10-04 (Token Barometer, https://tokenbarometer.com/model/openai/gpt-5.1).
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Price history
Change log
| Date | Host | Kind | Change |
|---|---|---|---|
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | openrouter | Metadata changed | Metadata changed |
| 2026-10-04 | azure | Metadata changed | Metadata changed |
| 2026-10-04 | azure | Metadata changed | Metadata changed |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | perplexity | New offering | New offering |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | openrouter | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |
| 2026-10-04 | azure | New offering | New offering |
| 2026-10-04 | openai | New offering | New offering |