ELYZA Japanese Llama 2 7B vs Llama 3.1 Swallow 8B Instruct
ELYZA Japanese Llama 2 7B (2023) and Llama 3.1 Swallow 8B Instruct (2025) are compact production models from ELYZA and Tokyo Institute of Technology. ELYZA Japanese Llama 2 7B ships a not-yet-sourced context window, while Llama 3.1 Swallow 8B Instruct ships a 4k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Llama 3.1 Swallow 8B Instruct is safer overall; choose ELYZA Japanese Llama 2 7B when provider fit matters.
Decision scorecard
Local evidence first| Signal | ELYZA Japanese Llama 2 7B | Llama 3.1 Swallow 8B Instruct |
|---|---|---|
| Best for | provider-routed production | general production evaluation |
| Decision fit | General | General |
| Context window | — | 4k |
| Cheapest output | $0.20/1M tokens | - |
| Provider routes | 2 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- ELYZA Japanese Llama 2 7B has broader tracked provider coverage for fallback and route flexibility.
- Llama 3.1 Swallow 8B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
ELYZA Japanese Llama 2 7B
$210
Cheapest tracked route/tier: Fireworks AI
Llama 3.1 Swallow 8B Instruct
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for ELYZA Japanese Llama 2 7B and Llama 3.1 Swallow 8B Instruct; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Llama 3.1 Swallow 8B Instruct and ELYZA Japanese Llama 2 7B; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-08-02 | 2025-01-01 |
| Context window | — | 4k |
| Parameters | 7B | 8B |
| Architecture | Decoder Only | Decoder Only |
| License | Llama 2 Community | Llama 2 Community |
| Openness | Open weights | Open weights |
| Weights | Unknown | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | - | 2023 |
Pricing and availability
| Pricing attribute | ELYZA Japanese Llama 2 7B | Llama 3.1 Swallow 8B Instruct |
|---|---|---|
| Input price | $0.20/1M tokens | - |
| Output price | $0.20/1M tokens | - |
| Providers |
Capabilities
| Capability | ELYZA Japanese Llama 2 7B | Llama 3.1 Swallow 8B Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-06-30. Data sourced from public model cards and provider documentation.