GPT-4.1 Nano vs GPT-6 Astra

Model Markets Rankings

Intelligence, Cost, and Efficiency

All rankings →
RankingGPT-4.1 NanoGPT-6 Astra
IntelligenceHigher is better · MM Intelligence v1.4UnrankedNot in the 46-model eligible cohort#1 of 4699.8 score · 2/3-source partial
CostLower is better · Published-token output estimateUnrankedNot in the 45-model eligible cohort#42 of 45$0.520 per LiveBench case
EfficiencyHigher is better · MM Efficiency v1.1UnrankedNot in the 38-model eligible cohort#14 of 3856.4 score · 2/3-source intelligence

Ranks come from current available eligible cohorts. Intelligence may use a labeled two-of-three partial core. Green highlights appear only when both models are ranked in the same metric, and the three dimensions are not collapsed into an overall winner.

Benchmark Performance

Available Benchmarks

No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.
FieldAt a Glance
OpenAI · activeGPT-4.1 NanoVerified Aug 29, 2026
OpenAI · activeGPT-6 AstraVerified Sep 4, 2026

Technical Differences

Side-by-Side Facts

Indexable
FieldGPT-4.1 NanoGPT-6 Astra
DeveloperOpenAIOpenAI
FamilyGpt 4 1Gpt 6
ModelGPT-4.1 NanoGPT-6 Astra
VersionGPT-4.1 NanoGPT-6 Astra
Lifecycleactiveactive
ReleasedUnknown2026-09-03
Knowledge cutoff2024-06-012026-04-30
Input modalitiesText, ImageText, Image
Output modalitiesTextText
Context window1,048K1,050K
Total parametersUnknownUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessOpenai (Standard), Openrouter (Standard)Openai (Standard), Openrouter (Standard)
Capabilitieschat, generation, toolschat, computer-use, generation, reasoning, research, tools

14 comparable fields · 6 material differences · Pair passes the primary-source comparison gate

GPT-4.1 Nano Capabilities

chatgenerationtools
Input price$0.050
Output price$0.20
Serving providers2
Canonical IDopenai/gpt-4.1-nano

GPT-6 Astra Capabilities

chatcomputer-usegenerationreasoningresearchtools
Input price$10.00
Output price$50.00
Serving providers2
Canonical IDopenai/gpt-6-astra

Internal Comparison Graph

Related Comparisons

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Primary Evidence

Sources and Freshness

Questions

GPT-4.1 Nano vs GPT-6 Astra FAQs

Is GPT-4.1 Nano or GPT-6 Astra better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both GPT-4.1 Nano and GPT-6 Astra, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, GPT-4.1 Nano or GPT-6 Astra?+

GPT-4.1 Nano is $0.050 and GPT-6 Astra is $10.00 per million tokens, so GPT-4.1 Nano is cheaper on this metric. GPT-4.1 Nano is $0.20 and GPT-6 Astra is $50.00 per million tokens, so GPT-4.1 Nano is cheaper on this metric.

Which has a larger context window, GPT-4.1 Nano or GPT-6 Astra?+

GPT-6 Astra has the larger sourced context window. GPT-4.1 Nano supports 1,048K and GPT-6 Astra supports 1,050K.

Which performs better in benchmarks, GPT-4.1 Nano or GPT-6 Astra?+

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Can GPT-4.1 Nano or GPT-6 Astra be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. GPT-4.1 Nano is not marked open weight; GPT-6 Astra is not marked open weight.

Can GPT-4.1 Nano and GPT-6 Astra understand images?+

GPT-4.1 Nano is documented with image input; GPT-6 Astra is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, GPT-4.1 Nano or GPT-6 Astra?+

GPT-6 Astra has the larger sourced maximum output: GPT-4.1 Nano supports 33K and GPT-6 Astra supports 128K output tokens.

Do GPT-4.1 Nano and GPT-6 Astra support reasoning and tool use?+

GPT-4.1 Nano: tool calling and image input. GPT-6 Astra: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, GPT-4.1 Nano or GPT-6 Astra?+

GPT-4.1 Nano has 2 sourced provider routes; GPT-6 Astra has 2, a tie.

Which offers better value, GPT-4.1 Nano or GPT-6 Astra?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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