GPT-6 Astra vs Gemini 3.8 Flash

GPT-6 Astra leads on the Visual Intelligence Index by 1.6 points, and GPT-6 Astra scores higher on 4 of the 7 benchmarks where the two differ.

Model

Compared with

At a glance

Measure	GPT-6 Astra	Gemini 3.8 Flash
Visual Intelligence Index	82.2%	80.6%
Rank	#1 of 9	#2 of 9
Cost per taskMean over the benchmarks, at list price.	$0.864	$0.0474
Latency per taskEach benchmark's median, averaged.	9.6s	25.5s
Tokens per task	86,253	60,794
Input / 1M tokens	$10.00	$0.75
Output / 1M tokens	$50.00	$3.75
Context window	1.05M	1M
Availability	Proprietary	Proprietary

Each capability index is a weighted mean of the benchmarks that contribute to the capability.

Capability	GPT-6 Astra	Gemini 3.8 Flash	Lead
Perception	80.8%	79.8%	+1.0
Spatial Reasoning	84.6%	82.5%	+2.0
Temporal Reasoning	83.0%	81.3%	+1.6
Action / Event Understanding	79.2%	78.2%	+1.0
Causal Reasoning	83.8%	81.6%	+2.1
Information Retrieval	80.7%	79.4%	+1.3

Benchmark	GPT-6 Astra	Gemini 3.8 Flash	Lead
Video-MME v2	73.4%	71.3%	+2.2
LVBench	81.6%	86.4%	−4.8
Perception Test	92.5%	85.5%	+7.1
NExT-QA	90.7%	88.0%	+2.7
Q-Bench Video	68.3%	69.3%	−1.0
EgoSchema	83.4%	80.8%	+2.6
UCF101-AD	61.4%	63.5%	−2.1

3.5/ 5

Reachable1.0: There is an endpoint you can call without hosting anything.
First-party API — supported
Third-party API — supported
Portable0.0: You can run it yourself, and are not tied to one vendor.
Open weights — not supported
Self-hostable — not supported
Multimodal input0.5: It takes the footage directly, rather than frames you extracted.
Video ingestion — not supported
Audio — supported
Programmable1.0: Output you can parse, and tools it can call on its own.
Structured output — supported
Tool calling — supported
Operable1.0: Usable interactively and in bulk, not only one call at a time.
Streaming — supported
Batch API — supported

4.0/ 5

Reachable1.0: There is an endpoint you can call without hosting anything.
First-party API — supported
Third-party API — supported
Portable0.0: You can run it yourself, and are not tied to one vendor.
Open weights — not supported
Self-hostable — not supported
Multimodal input1.0: It takes the footage directly, rather than frames you extracted.
Video ingestion — supported
Audio — supported
Programmable1.0: Output you can parse, and tools it can call on its own.
Structured output — supported
Tool calling — supported
Operable1.0: Usable interactively and in bulk, not only one call at a time.
Streaming — supported
Batch API — supported