GPT-6 Astra benchmarks
GPT-6 Astra is a proprietary model from OpenAI, released 3 Sep 2026. It ranks 7th of 51 on our overall leaderboard and 2nd of 42 for coding. At A$28.08 per million tokens (blended), it costs 7.8× the median model we track. It writes about 54 tokens a second, and answers start after 3.4 min on average, thinking included. It can be called from AWS Bedrock in Sydney and Microsoft Azure in Australia East, but only through global routing, so requests may be processed outside Australia.
- CONTEXT WINDOW
- 1,050,000 tokens
- MAX OUTPUT
- 128,000 tokens
- INPUT
- text, image
- WEIGHTS
- Proprietary
- RELEASED
- 3 Sep 2026
- OUTPUT SPEED
- 54 tok/s
- ANSWER STARTS AFTER
- 3.4 min (thinking included)
GPT-6 Astra across our rankings.
Benchmark results.
Independent test scores are for the max effort setting. “Among tracked” ranks GPT-6 Astra against the 51 models on this site; LMArena ranks run across its full leaderboard.
| BENCHMARK | RESULT | AMONG TRACKED | SOURCE DETAIL |
|---|---|---|---|
| INDEPENDENT TESTS · ARTIFICIAL ANALYSIS | |||
| AA Intelligence Index | 52.7 | #3 of 51 | max effort |
| AA Coding Index | 76.9 | #4 of 42 | max effort |
| GPQA Diamond | 96.1% | #1 of 44 | max effort |
| Humanity’s Last Exam | 54.7% | #5 of 51 | max effort |
| AA-LCR | 80.7% | #23 of 51 | max effort |
| Terminal-Bench 2.1 | 88.4% | #4 of 42 | max effort |
| τ²-Bench (banking) | 41.4% | #14 of 41 | max effort |
| SciCode | 56.5% | #17 of 46 | max effort |
| BLIND HUMAN VOTES · LMARENA | |||
| LMArena Text2,693 votes · ±12 | 1480 | #21 of 42 | #24 of 402 on LMArena · 13 Sep 2026 |
| LMArena WebDev4,230 votes · ±12 | 1793 | #1 of 45 | #1 of 129 on LMArena · 22 Sep 2026 |
| LMArena Vision1,367 votes · ±17 | 1284 | #14 of 33 | #16 of 152 on LMArena · 13 Sep 2026 |
| LMArena Document1,621 votes · ±14 | 1473 | #13 of 26 | #17 of 44 on LMArena · 13 Sep 2026 |
| LMArena Agent10,372 sessions | #2 | #2 of 37 | #2 of 46 on LMArena · 15 Sep 2026 |
What GPT-6 Astra costs in Australian dollars.
List prices converted at the snapshot’s RBA rate, excluding GST. Reasoning models are billed for their thinking as output tokens, so heavier settings cost more than the job estimates show.
| PER MILLION TOKENS | AUD | USD LIST |
|---|---|---|
| Input tokens | A$14.04 | US$10.00 |
| Output tokens | A$70.19 | US$50.00 |
| Blended (3 in : 1 out) | A$28.08 | US$20.00 |
| JOB | COST (AUD) | MEDIAN MODEL |
|---|---|---|
| Customer support replyPER 1,000 REPLIES | A$49.14 | ≈ A$6.58 |
| Summarise a 30-page documentPER 100 DOCUMENTS | A$33.69 | ≈ A$4.74 |
| Agentic coding taskPER 10 TASKS | A$26.67 | ≈ A$3.72 |
| SETTING | INTELLIGENCE | A$ / 1M | SPEED |
|---|---|---|---|
| max effort | 52.7 | A$28.08 | 54 tok/s |
| xhigh effort | 52.4 | A$28.08 | 49 tok/s |
| high effort | 50.9 | A$28.08 | 49 tok/s |
| medium effort | 49.6 | A$28.08 | 49 tok/s |
| low effort | 45.8 | A$28.08 | 46 tok/s |
Running GPT-6 Astra in Australia.
It can be called from AWS Bedrock in Sydney and Microsoft Azure in Australia East, but only through global routing, so requests may be processed outside Australia. How the platforms compare →
| PLATFORM | AVAILABILITY | DETAIL |
|---|---|---|
| AWS Bedrock · Sydney | GLOBAL | |
| AWS Bedrock · Melbourne | NOT IN AU | |
| Azure · Australia East | GLOBAL | |
| Google Vertex AI · Sydney | NOT OFFERED |
Compare it with.
GPT-6 Astra, answered.
How much does GPT-6 Astra cost in Australian dollars?
GPT-6 Astra lists at US$10.00 per million input tokens and US$50.00 per million output tokens — A$14.04 and A$70.19 at A$1 = US$0.7123 (RBA, 22 Sep 2026), excluding GST. A typical customer support reply works out at about A$49.14 per 1,000 replies, before any reasoning tokens.
Can I use GPT-6 Astra in Australia with data kept onshore?
GPT-6 Astra can be called from AWS Bedrock in Sydney and Microsoft Azure in Australia East, but only through global routing, so requests may be processed outside Australia. Availability comes from the cloud providers’ own documentation; check your provider’s current terms before relying on it for data-residency obligations.
Is GPT-6 Astra good for coding?
It ranks 2nd of 42 on our coding ranking, with an Artificial Analysis Coding Index of 76.9 and an LMArena WebDev rating of 1793 (1st of 129).
How good is GPT-6 Astra at agent and automation work?
It ranks 2nd of 41 on our agents ranking, completing 41.4% of τ²-Bench banking customer-service tasks and 88.4% of Terminal-Bench 2.1 tasks.
How fast is GPT-6 Astra?
Artificial Analysis measures GPT-6 Astra at about 54 tok/s of output, with the answer starting after 3.4 min on average once thinking time is included (max effort setting).
What is GPT-6 Astra’s context window?
OpenAI documents a context window of 1,050,000 tokens (1.05M), with up to 128,000 output tokens. On AA-LCR, which tests reasoning across ~100,000-token document sets, it scores 80.7%.
Ratings: LMArena leaderboard dataset (CC BY 4.0), rescaled for the lens scores · leaderboards to 22 Sep 2026
Evaluations, prices and speed: Artificial Analysis (artificialanalysis.ai) · fetched 23 Sep 2026
Exchange rate: Reserve Bank of Australia, table F11.1 · A$1 = US$0.7123 on 22 Sep 2026 · prices exclude GST
Snapshot 23 Sep 2026 · updated weekly · How the rankings work →