Nova 2 Lite vs Ember-1
Nova 2 Lite costs 6.0x less per output token than Ember-1 ($2.50 vs $15.00 per million). Updated October 21, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- 13.4
- Output $/M
- $2.50
- Coding
- 52.6
- Overall
- No data
- Output $/M
- $15.00
Nova 2 Lite or Ember-1: which to pick
Only Ember-1 has a coding score, 52.6 on the Vibe Coding Index; Nova 2 Lite has none, so the two cannot be ranked on coding.
Pick Nova 2 Lite for output tokens 6.0x cheaper ($2.50 vs $15.00 per million).
No benchmark has tested both yet. Nova 2 Lite has results on AA Coding Index, ALE-Bench and LMArena Text: coding; Ember-1 on Terminal-Bench 4 (Vals AI), Vibe Code Bench (Vals AI) and Code migration (Vals AI). Compare them on price and context instead.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Only Ember-1 has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
No call
Only Nova 2 Lite has a AA Intelligence Index result, 13.4.
Directional only
Long documents
Listed context window
Ember-1
Ember-1 takes 1.05M tokens against 1M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Nova 2 Lite
Nova 2 Lite $0.0015, Ember-1 $0.011 per turn.
List prices
At a glance
- Coding index
- Nova 2 Lite not benchmarked, Ember-1 52.6 from 2 benchmarks.
- Widest category
- None yet: no category has been tested on both models.
- Widest single gap
- None yet: no benchmark has tested both models.
- Output price
- Nova 2 Lite $2.50 against Ember-1 $15.00 per million output tokens, 6.0x apart.
- Context window
- Nova 2 Lite takes 1M tokens, Ember-1 1.05M.
Benchmark by benchmark
Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.
CodingDirectional onlySix of these boards feed the Vibe Coding Index9 boards measured
| Benchmark | Nova 2 Lite | Ember-1 | Leader |
|---|---|---|---|
| AA Coding Index | 23.0 | Not measured | Only Nova 2 Lite measured |
| Terminal-Bench 4 (Vals AI) | Not measured | 20.7% | Only Ember-1 measured |
| Vibe Code Bench (Vals AI) | Not measured | 83.9% | Only Ember-1 measured |
| Code migration (Vals AI) | Not measured | 32.5% | Only Ember-1 measured |
| IOI (Vals AI) | Not measured | 46.3% | Only Ember-1 measured |
| CyberBench (Vals AI) | Not measured | 69.5% | Only Ember-1 measured |
| ALE-Bench | 236.3 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: coding | 1385 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: software and IT | 1394 | Not measured | Only Nova 2 Lite measured |
| Neither model has a result on the other 29 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Nova 2 Lite | Ember-1 | Leader |
|---|---|---|---|
| AA Intelligence Index | 13.4 | Not measured | Only Nova 2 Lite measured |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index7 boards measured
| Benchmark | Nova 2 Lite | Ember-1 | Leader |
|---|---|---|---|
| Finance Agent (Vals AI) | Not measured | 51.8% | Only Ember-1 measured |
| Tax Agent Bench (Vals AI) | Not measured | 31.1% | Only Ember-1 measured |
| Legal Research Bench (Vals AI) | Not measured | 44.7% | Only Ember-1 measured |
| Excel Modeling Benchmark (Vals AI) | Not measured | 63.4% | Only Ember-1 measured |
| BioMysteryBench (Vals AI) | Not measured | 67.0% | Only Ember-1 measured |
| Terminal-Bench-Science (Vals AI) | Not measured | 5.7% | Only Ember-1 measured |
| Vals Science Index | Not measured | 31.8% | Only Ember-1 measured |
| Neither model has a result on the other 32 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured
| Benchmark | Nova 2 Lite | Ember-1 | Leader |
|---|---|---|---|
| MysteryMechanism (Vals AI) | Not measured | 22.5% | Only Ember-1 measured |
| LMArena Text: hard prompts | 1364 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: expert | 1359 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: hard prompts in English | 1385 | Not measured | Only Nova 2 Lite measured |
| Neither model has a result on the other 17 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Nova 2 Lite | Ember-1 | Leader |
|---|---|---|---|
| LMArena Text: math | 1359 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: mathematical work | 1369 | Not measured | Only Nova 2 Lite measured |
| Neither model has a result on the other 11 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured
| Benchmark | Nova 2 Lite | Ember-1 | Leader |
|---|---|---|---|
| LMArena Text: science | 1382 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: medicine and healthcare | 1386 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: legal and government | 1359 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: business and finance | 1369 | Not measured | Only Nova 2 Lite measured |
| Neither model has a result on the other 13 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index18 boards measured
| Benchmark | Nova 2 Lite | Ember-1 | Leader |
|---|---|---|---|
| Public Benefits Bench (Vals AI) | Not measured | 66.2% | Only Ember-1 measured |
| LMArena Text | 1362 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: instruction following | 1335 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: creative writing | 1292 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: English | 1385 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: non-English | 1337 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: Chinese | 1364 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: German | 1343 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: Japanese | 1273 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: Korean | 1281 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: French | 1381 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: Spanish | 1375 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: Russian | 1342 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: Polish | 1327 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: multi-turn | 1338 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: longer queries | 1335 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: writing and language | 1318 | Not measured | Only Nova 2 Lite measured |
| LMArena Text: entertainment and media | 1309 | Not measured | Only Nova 2 Lite measured |
| Neither model has a result on the other 28 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Nova 2 Lite costs less
Repository review
50K input + 3K output tokens
Nova 2 Lite costs less
Agent loop
200K input + 10K output tokens
Nova 2 Lite costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Amazon Nova 2 Lite | Fireworks Ember-1 |
|---|---|---|
| Maker | Amazon | Fireworks |
| Weights | No public weights listed | No public weights listed |
| Released | December 2, 2025 | September 24, 2026 |
| Context window | 1M | 1.05M |
| Input $/Mtok | $0.30 | $3.00 |
| Output $/Mtok | $2.50 | $15.00 |
| Coding index | Not benchmarked | 52.6 |
| Independent measurements behind it | 0 | 2 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Nova 2 Lite better than Ember-1 for coding?
Only Ember-1 has a coding score, 52.6 on the Vibe Coding Index; Nova 2 Lite has none, so the two cannot be ranked on coding. Pick Nova 2 Lite for output tokens 6.0x cheaper ($2.50 vs $15.00 per million).
Which is cheaper, Nova 2 Lite or Ember-1?
Nova 2 Lite costs $0.30 per million input tokens and $2.50 per million output tokens; Ember-1 costs $3.00 and $15.00. Cost per solved task is known for neither of them.
Which has the bigger context window, Nova 2 Lite or Ember-1?
Ember-1, with 1.05M tokens against 1M.
Has any benchmark tested both Nova 2 Lite and Ember-1?
No benchmark has tested both yet. Nova 2 Lite has results on AA Coding Index, ALE-Bench and LMArena Text: coding; Ember-1 on Terminal-Bench 4 (Vals AI), Vibe Code Bench (Vals AI) and Code migration (Vals AI). Compare them on price and context instead. Data as of October 21, 2026.