Seed 1.8 vs Jev
At a Glance
| Compare | Seed 1.8ByteDance Seed |  JevTypeSafe |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $0.042TypeSafe ↗ · Sep 17, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $0.000TypeSafe ↗ · Sep 17, 2026 |
| Context windowMaximum documented tokens | Not reported | 64K |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 17, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | Seed 1.8 | Jev |
|---|---|---|
| Developer | ByteDance Seed | TypeSafe |
| Family | Seed 1 8 | Jev |
| Model | Seed 1.8 | Jev |
| Version | Seed 1.8 | Jev |
| Lifecycle | active | active |
| Released | Unknown | 2026-09-15 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Model-specific input |
| Output modalities | Text | Model-specific input |
| Context window | Unknown | 64K |
| 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 | Unknown | TypeSafe (Standard) |
| Capabilities | chat, generation, reasoning, tools | calibrated-confidence, parallel-evaluation, structured_outputs, typed-decisions |
| Maximum Choice cardinality | Unknown | 255 options |
| Default request rate limit | Unknown | 1200 requests per minute |
| State plus longest question limit | Unknown | 32000 tokens |
| Combined state and questions limit | Unknown | 64000 tokens |
| Default token rate limit | Unknown | 250000 tokens per second |
Seed 1.8 Capabilities
Jev Capabilities
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Primary Evidence
Sources and Freshness
Questions
Seed 1.8 vs Jev FAQs
Is Seed 1.8 or Jev better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Seed 1.8 and Jev, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Seed 1.8 or Jev?+
Only Jev has a directly sourced input price: $0.042 per million tokens. Only Jev has a directly sourced output price: $0.000 per million tokens.
Which has a larger context window, Seed 1.8 or Jev?+
Neither model has a larger sourced context window in this comparison. Seed 1.8 is — and Jev is 64K.
Which performs better in benchmarks, Seed 1.8 or Jev?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Seed 1.8 or Jev be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Seed 1.8 is not marked open weight; Jev is not marked open weight.
Can Seed 1.8 and Jev understand images?+
Seed 1.8 is documented with image input; Jev is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Seed 1.8 or Jev?+
Neither has a larger sourced maximum output. Seed 1.8 is — and Jev is —.
Do Seed 1.8 and Jev support reasoning and tool use?+
Seed 1.8: reasoning, tool calling, and image input. Jev: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, Seed 1.8 or Jev?+
Seed 1.8 has 0 sourced provider routes; Jev has 1, so Jev has broader tracked availability.
Which offers better value, Seed 1.8 or Jev?+
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.