All models

#198 GPT-6 Astra

OpenAI · gpt-6-astra

Released: · Source

Text; Coding; Reasoning

Use cases
Coding, Reasoning, Text
Accepts
No verified data
Produces
No verified data

Access

OpenAI · API Computing: Cloud

Price USD

ProviderPrice USDConditions
OpenAI · API$0.5 / 1M cache-read tokensBatch · short context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$0.5 / 1M cache-read tokensFlex · short context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$1 / 1M cache-read tokensStandard · short context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$1 / 1M cache-read tokensBatch · long context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$1 / 1M cache-read tokensFlex · long context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$2 / 1M cache-read tokensStandard · long context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$2 / 1M cache-read tokensFast · short context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026
OpenAI · API$4 / 1M cache-read tokensFast · long context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026
OpenAI · API$6.25 / 1M cache-write tokensBatch · short context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$6.25 / 1M cache-write tokensFlex · short context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$12.5 / 1M cache-write tokensStandard · short context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$12.5 / 1M cache-write tokensBatch · long context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$12.5 / 1M cache-write tokensFlex · long context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$25 / 1M cache-write tokensStandard · long context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$25 / 1M cache-write tokensFast · short context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026
OpenAI · API$50 / 1M cache-write tokensFast · long context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026
OpenAI · API$5 / 1M input tokensBatch · short context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$5 / 1M input tokensFlex · short context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$10 / 1M input tokensStandard · short context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$10 / 1M input tokensBatch · long context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$10 / 1M input tokensFlex · long context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$20 / 1M input tokensStandard · long context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$20 / 1M input tokensFast · short context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026
OpenAI · API$40 / 1M input tokensFast · long context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026
OpenAI · API$25 / 1M output tokensBatch · short context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$25 / 1M output tokensFlex · short context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$37.5 / 1M output tokensBatch · long context · Batch; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$37.5 / 1M output tokensFlex · long context · Flex; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$50 / 1M output tokensStandard · short context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$75 / 1M output tokensStandard · long context · Standard; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%.Source · 19.09.2026
OpenAI · API$100 / 1M output tokensFast · short context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026
OpenAI · API$150 / 1M output tokensFast · long context · Fast; The short/long threshold has not been verified. Cache writes have a separate rate. Additional tools are billed separately. Eligible regional processing endpoints: +10%. Fast is unavailable with EU data residency.Source · 19.09.2026

Evaluator & score

Composite index · published model-group index · 20.09.2026 · Higher is better

Snapshot: 2026-09-20 · 90% CI [163, 171.88]

Official Epoch AI index; combines own, third-party and developer-reported results. It is not a safety audit or a media-generation score.

Conditions

Epoch Capabilities Index; official model-group estimates

Official ECI model scores, Epoch AI, CC BY 4.0. Composite of own, third-party and developer-reported results. 90% bootstrap interval. Not a per-effort score; export date is the model release date, not measurement date. Methodology: https://epoch.ai/eci#documentation

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

Chess Puzzles; Epoch AI own run; best score across scorers

Epoch AI own run; Chess Puzzles; version: gpt-6-astra_max; mode: max; source id: TAGZYToqgQmFZr7uYL4rSF; file: chess_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

EBR-bench; Epoch AI own run; best score across scorers

Epoch AI own run; EBR-bench; version: gpt-6-astra_max; mode: max; source id: GhVYxWxttDxZ7akiJQPYsE; file: ebr_bench.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath Open Problems (Erdős); Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath Open Problems (Erdős); version: gpt-6-astra_max; mode: max; source id: bloom68-ultima-e1dhs43ykrmakree; file: frontiermath_erdos.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 28.08.2026

Independent run · high · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tier-4-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tier-4-v2-Private; version: gpt-6-astra_high; mode: high; source id: f46NQY9jSxyKqo9qzrmk6F; file: frontiermath_tier_4_v2.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · low · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tier-4-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tier-4-v2-Private; version: gpt-6-astra_low; mode: low; source id: kRPSnHnDdheajNdqmKsMjs; file: frontiermath_tier_4_v2.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tier-4-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tier-4-v2-Private; version: gpt-6-astra_max; mode: max; source id: f7BCT27LzcAtaLDP2tcrWF; file: frontiermath_tier_4_v2.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · medium · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tier-4-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tier-4-v2-Private; version: gpt-6-astra_medium; mode: medium; source id: 5sNRWemuVwb4adBaSwrLFf; file: frontiermath_tier_4_v2.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · none · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tier-4-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tier-4-v2-Private; version: gpt-6-astra_none; mode: none; source id: 4BCZTu7HQKmhdwRR2W4bzT; file: frontiermath_tier_4_v2.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · xhigh · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tier-4-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tier-4-v2-Private; version: gpt-6-astra_xhigh; mode: xhigh; source id: AfKJ2DGMhkjZmeFZxGoY3w; file: frontiermath_tier_4_v2.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tiers-1-3-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tiers-1-3-v2-Private; version: gpt-6-astra_max; mode: max; source id: csK2fe5T8p2R7WgoJUu6bZ; file: frontiermath_tiers_1_3_v2.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

GPQA Diamond; Epoch AI own run; best score across scorers

Epoch AI own run; source version: gpt-6-astra_max; file: gpqa_diamond.csv; row: 3h8STJpG2VzY9LiBUzwotv.

Measurement date: 30.08.2026

Independent run · high · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

MirrorCode; Epoch AI own run; best score across scorers

Epoch AI own run; MirrorCode; version: gpt-6-astra_high; mode: high; source id: mirrorcode-ml-2l-gpt-6-astra; file: mirrorcode.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

Mock AIME 2024/2025; Epoch AI own run; best score across scorers

Epoch AI own run; source version: gpt-6-astra_max; file: otis_mock_aime_2024_2025.csv; row: L7kW8yxFKCjVXhxNnt3VTq.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

Mystery Game Puzzles; Epoch AI own run; best score across scorers

Epoch AI own run; Mystery Game Puzzles; version: gpt-6-astra_max; mode: max; source id: FA7pM9hKdkgTXmGHptcno7; file: mystery_game_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

Independent run · max · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

SimpleQA Verified; Epoch AI own run; best score across scorers

Epoch AI own run; SimpleQA Verified; version: gpt-6-astra_max; mode: max; source id: PppwnX7EjXx2SeTcFN8Ujn; file: simpleqa_verified.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.

Measurement date: 30.08.2026

SourceVerified 19.09.2026