G
GPT-6.1 Sol
96% of Astra's intelligence at one fifth of the price — the sweet spot in OpenAI's lineup
Intelligence v5
54.5
Leaderboard rank
#4
Input / output
$2.00/$10.00
Blended 3:1
$4.00
Output speed
77 tok/s
Value
14 pts/$
Capability profile Normalised to the field maximum
Specifications
Vendor
OpenAI
Released
2026-10
Weights
Closed, API only
Context
1,050,000 tokens
Max output
128,000 tokens
Parameters
Undisclosed
Input price
$2.00 / 1M
Output price
$10.00 / 1M
Cache hit
$0.10 / 1M
Output speed
77 tok/s
Intelligence
54.5（v5）
Benchmark scores
How it is measured →Ranked 4 · bars are scaled to the field maximum for that benchmark.
| Benchmarks | Score | Vs. best in field | Gap |
|---|---|---|---|
| AA Intelligence Index v5 Intelligence index | 54.5 | 92% | −4.9 pts |
| AA Intelligence Index v4.3.2 | — | — | not indexed |
| GPQA Diamond Graduate-level science reasoning | 95.4 | 99% | −1.0 pts |
| Terminal-Bench 4.0 | — | — | not indexed |
| LiveBench Design Document generation (DOCX/PPT/PDF) | 82.1 | 94% | −4.8 pts |
| Vals Index | — | — | not indexed |
Assessment
$1.27 per index task against Astra's $3.58. Paid ChatGPT tiers still run GPT-6 Sol in the chat window; the Sol line is steadier on coding and tool calls.
At the same price
The four models closest on blended price, side by side.
| Model | v5 | Blended | tok/s | Score gap |
|---|---|---|---|---|
| Claude Sonnet 5.5Anthropic | 54.2 | $4.00 | 135 | -0.3 |
| Gemini 4 CarbonGoogle | 59.4 | $4.00 | 87 | +4.9 |
| Gemini 4 ArgonGoogle | 50.4 | $4.00 | 80 | -4.1 |
| Muse WonderMeta | 43.3 | $4.00 | 143 | -11.2 |
Compare side by side
Line it up against other models on price, speed and every benchmark.
The comparison tool lines up to 4 models side by side with switchable normalisation — built for purchasing decisions.
Open the comparison tool → Back to leaderboard