Seed 2.0 Code vs GPT-6 Astra
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | Seed 2.0 Code | GPT-6 Astra |
|---|---|---|
| IntelligenceHigher is better · MM Intelligence v1.4 | UnrankedNot in the 46-model eligible cohort | #1 of 4699.8 score · 2/3-source partial |
| CostLower is better · Published-token output estimate | UnrankedNot in the 45-model eligible cohort | #42 of 45$0.520 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.1 | UnrankedNot 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
Technical Differences
Side-by-Side Facts
| Field | Seed 2.0 Code | GPT-6 Astra |
|---|---|---|
| Developer | ByteDance Seed | OpenAI |
| Family | Seed 2 0 | Gpt 6 |
| Model | Seed 2.0 Code | GPT-6 Astra |
| Version | Seed 2.0 Code | GPT-6 Astra |
| Lifecycle | active | active |
| Released | 2026-02-14 | 2026-09-03 |
| Knowledge cutoff | Unknown | 2026-04-30 |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | Unknown | 1,050K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Openrouter (Standard) | Openai (Standard), Openrouter (Standard) |
| Capabilities | agents, chat, generation, reasoning, structured_outputs, tools | chat, computer-use, generation, reasoning, research, tools |
13 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
Seed 2.0 Code Capabilities
GPT-6 Astra Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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Seed 2.0 CodeByteDance Seed | vs | Grok 4.6xAI | cross-developer peerstext |
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 MiniMax-M3MiniMax | vs | Seed 2.0 CodeByteDance Seed | cross-developer peerstext |
Seed 2.0 CodeByteDance Seed | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Seed 2.0 CodeByteDance Seed | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.0 CodeByteDance Seed | vs | Seed 2.1 ProByteDance Seed | family variantstext |
Seed 2.0 CodeByteDance Seed | vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Seed 2.0 CodeByteDance Seed | vs | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Seed 2.0 Code vs GPT-6 Astra FAQs
Is Seed 2.0 Code or GPT-6 Astra better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.0 Code and GPT-6 Astra, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Seed 2.0 Code or GPT-6 Astra?+
Seed 2.0 Code is $0.50 and GPT-6 Astra is $10.00 per million tokens, so Seed 2.0 Code is cheaper on this metric. Seed 2.0 Code is $3.00 and GPT-6 Astra is $50.00 per million tokens, so Seed 2.0 Code is cheaper on this metric.
Which has a larger context window, Seed 2.0 Code or GPT-6 Astra?+
Neither model has a larger sourced context window in this comparison. Seed 2.0 Code is — and GPT-6 Astra is 1,050K.
Which performs better in benchmarks, Seed 2.0 Code 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 Seed 2.0 Code or GPT-6 Astra be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Seed 2.0 Code is not marked open weight; GPT-6 Astra is not marked open weight.
Can Seed 2.0 Code and GPT-6 Astra understand images?+
Seed 2.0 Code is not 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, Seed 2.0 Code or GPT-6 Astra?+
Neither has a larger sourced maximum output. Seed 2.0 Code is — and GPT-6 Astra is 128K.
Do Seed 2.0 Code and GPT-6 Astra support reasoning and tool use?+
Seed 2.0 Code: reasoning and tool calling. GPT-6 Astra: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Seed 2.0 Code or GPT-6 Astra?+
Seed 2.0 Code has 1 sourced provider route; GPT-6 Astra has 2, so GPT-6 Astra has broader tracked availability.
Which offers better value, Seed 2.0 Code 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.