GPT-6 Astra
- Family
- GPT-6
- Released
- 2026-09-03
- Context
- 1.05M
- Max output
- 128K
- Knowledge cutoff
- 2026-04
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryRestricted
- Weights
- Not released
- Code
- Unknown
Cheapest of 2 routes · OpenAI API · cache read $1.00
About
GPT-6 Astra is OpenAI's flagship GPT-6 model, announced September 3, 2026 as a new generation of intelligence for computer use, browsing, software engineering, cybersecurity, science, and professional work. Official OpenAI API id gpt-6-astra. Docs list a 1,050,000-token context window, 922,000 max input tokens, 128,000 max output tokens, Apr 30, 2026 knowledge cutoff, image+text input to text output, reasoning.effort low/medium/high/xhigh/max (none is not supported), function calling, structured outputs, prompt caching, Batch API, computer use, and code interpreter. OpenAI API Standard list is $10 per 1M input tokens and $50 per 1M output tokens.
Providers(2)
Compare all 2Compare API pricing across 2 tracked provider routes for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Batch in / out | Cache | Route |
|---|---|---|---|---|---|
| OpenAI API | $10.00 | $50.00 | $5.00 / $25.00 | read $1.00 | Serverless |
| OpenRouter | $10.00 | $50.00 | - | read $1.00 | Serverless |
Available via routers & gateways(15)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.
Kong AI Gateway
GatewayMulti-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
Capabilities
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Benchmark scores(5)
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| 95.0 | ARC-AGI-2 semi-privateObserved 2026-10-01 | Configuration: gpt-6-astra (Max) Harness: ARC Prize semi-private evaluation Evaluator: ARC Prize Foundation Confidence: confirmed Notes: ARC Prize official leaderboard data (ARC-AGI-2 semi-private), verified in https://arcprize.org/media/data/leaderboard/v2.json (generatedAt 2026-10-01T18:51Z) for modelDisplayName 'GPT-6 Astra (Max)'. Highest-scoring published effort selected. Discovered via Benchmark Heaven / Epoch AI mirror (lead only). | ||
| 74.1 | DeepSWE 1.1Observed 2026-09-22 | Configuration: gpt-6-astra (Extra High) Harness: mini-swe-agent (Datacurve DeepSWE 1.1) Evaluator: Datacurve Confidence: confirmed Notes: Datacurve DeepSWE 1.1 leaderboard (113 tasks, mini-swe-agent, Pass@1 over 4 runs). Verified on https://deepswe.datacurve.ai/ (page generated_at 2026-09-22; page shows integer %%). Precise value from Epoch AI mirror deepswe_external.csv (Source column = deepswe.datacurve.ai). Highest-scoring published effort selected. | ||
| 53.3 | FrontierCode 1.1 MainObserved 2026-10-05 | Configuration: gpt-6-astra (Max) Harness: codex Evaluator: Cognition Confidence: confirmed Notes: Cognition FrontierCode 1.1 Main (100 tasks) mean@5 composite ('new_score'), verified in https://cognition.com/data/frontiercode-leaderboard/data.json (the data file behind https://cognition.com/frontiercode), retrieved 2026-10-05. Agent harness: codex. Highest-scoring published effort selected; timestamp is retrieval date. | ||
| 97.6 | FrontierMath Tier 4 v2 (private)Observed 2026-08-30 | Configuration: gpt-6-astra (Medium) Harness: Epoch AI FrontierMath Tier 4 v2 private set Evaluator: Epoch AI Confidence: confirmed Notes: Epoch AI-run evaluation (evaluator of record), from Epoch AI Benchmarking Hub data download https://epoch.ai/data/benchmark_data.zip (file frontiermath_tier_4_v2.csv, row 'gpt-6-astra_medium', run started 2026-08-30). Epoch data is CC BY 4.0: credit 'Epoch AI, Capabilities & benchmarking, https://epoch.ai/benchmarks'. Highest-scoring Epoch configuration for this model selected; other configurations exist in the same file. Discovered via Benchmark Heaven (lead only). | ||
| 95.8 | diamondObserved 2026-08-30 | Configuration: gpt-6-astra (Max) Harness: Epoch AI Inspect harness (GPQA Diamond, 198 Q) Evaluator: Epoch AI Confidence: confirmed Notes: Epoch AI-run evaluation (evaluator of record), from Epoch AI Benchmarking Hub data download https://epoch.ai/data/benchmark_data.zip (file gpqa_diamond.csv, row 'gpt-6-astra_max', run started 2026-08-30). Epoch data is CC BY 4.0: credit 'Epoch AI, Capabilities & benchmarking, https://epoch.ai/benchmarks'. Highest-scoring Epoch configuration for this model selected; other configurations exist in the same file. Discovered via Benchmark Heaven (lead only). |
Migration checks
No linked migration route is available for this model yet.
API versions
gpt-6-astraRankings & picks(5)
Comparison and alternatives
Browse all comparisons →Cheapest of 2 routes · OpenAI API · cache read $1.00