ModelsOpenAI
GPT-5.1
Context
400K
tokens
Released
Nov 13, 2025
on OpenRouter
Token share
0.2%
OpenRouter · Jun 9, 2026
Pricing
Price per million tokens
Input $/MTok
$1.25
OpenRouter · Jul 8, 2026
Output $/MTok
$10.00
OpenRouter · Jul 8, 2026
Cache read $/MTok
$0.13
OpenRouter
| Source | Tracked slug | In $/MTok | Out $/MTok | Cache read | Cache write | Context | Effective | Last Δ (in) |
|---|---|---|---|---|---|---|---|---|
| OpenRouter | openai/gpt-5.1 | $1.25 | $10.00 | $0.13 | — | 400K | Jul 8, 2026 | — |
| models.dev | neon/gpt-5-1 | $1.25 | $10.00 | $0.13 | — | 400K | Jul 8, 2026 | 11.1% |
| llm-prices.com | gpt-5.1 | $1.25 | $10.00 | $0.13 | — | — | Jul 8, 2026 | — |
latest tracked price per source · Δ = most recent input-price move within that source
3 sources tracking
Input $/MTok
Output $/MTok
per-source step lines · $/MTok
history since Jan 1, 2023
Specs
Context & availability
| Provider | OpenAI |
|---|---|
| Context window | 400K tokens |
| Listed on OpenRouter | Nov 13, 2025 |
| Tracked price sources | llm-prices.com · OpenRouter · models.dev |
| OpenRouter slugs | openai/gpt-5.1 · openai/gpt-5.1-20251113 |
source: OpenRouter model catalog + tracked price feeds
id: gpt-5-1
Usage
Share of OpenRouter tokens
90-day · to Jun 9, 2026
source: OpenRouter model rankings · share of tracked coding-token volume
0.2% on Jun 9, 2026
Benchmarks
Benchmark results
| Benchmark | Configuration | Score | Date | Source |
|---|---|---|---|---|
| AA Intelligence Index | openai/gpt-5.1 | 36.9index | — | or-embedded-aa |
| AA Coding Index | openai/gpt-5.1 | 49.4index | — | or-embedded-aa |
| AA Agentic Index | openai/gpt-5.1 | 21index | — | or-embedded-aa |
scores as published by each benchmark; configurations differ — compare within a row's benchmark only
Alternatives
Similar models
| # | Model | Tokens/day | 7d Δ | Head-to-head |
|---|---|---|---|---|
| 1 | Hy3Tencent | 857.5B | — | vs GPT-5.1 |
| 2 | DeepSeek V4 FlashDeepSeek | 806.2B | 6.6% | vs GPT-5.1 |
| 3 | MiniMax M3MiniMax | 665.9B | 9.8% | vs GPT-5.1 |
| 5 | DeepSeek V4 ProDeepSeek | 530.6B | 50.5% | vs GPT-5.1 |
ranked by OpenRouter usage-rank proximity
snapshot Jul 7, 2026
FAQ
GPT-5.1 FAQ
- How much does GPT-5.1 cost per token?
- GPT-5.1 is priced at $1.25 per million input tokens and $10.00 per million output tokens, per OpenRouter as of Jul 8, 2026.
- What is GPT-5.1's context window?
- GPT-5.1 supports a context window of up to 400K tokens, per OpenAI.
- How widely used is GPT-5.1?
- GPT-5.1 accounts for about 0.2% of tracked OpenRouter coding-token volume as of Jun 9, 2026.
- What are the alternatives to GPT-5.1?
- By OpenRouter usage, comparable models include Hy3, DeepSeek V4 Flash, and MiniMax M3. Side-by-side comparisons are linked in the alternatives table.
Alerts
Track GPT-5.1
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