Reka Flash 3
Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-following, and function calling. Featuring a...
Updated 4 h ago · first seen 11 Sept 2026
model_01M294WWJERHKC2TTKXVCX0AT1
- Context
- 65.5K tokens
- T2 · 4 h ago
- Released
- 12 Mar 2025
- T2 · 7 h ago
- Knowledge cutoff
- Jan 2025
- T2 · 7 h ago
Specification
- Release date
- 12 Mar 2025
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Openness
- open-weights
Source:Artificial AnalysisT2observed 5 h agomedium
- Context window
- 65.5K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
- Max output
- 59K tokens
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Knowledge cutoff
- Jan 2025
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Modalities
- text
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Input modalities
- text
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Hugging Face repo
- RekaAI/reka-flash-3
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Openrouter id
- rekaai/reka-flash-3
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Supported parameters
- frequency_penalty, include_reasoning, logprobs, max_tokens, presence_penalty, reasoning, seed, stop, structured_outputs, temperature, top_k, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
15
Source tiers
T215
Freshest observation
4 h ago
Conflicts
None
Modalities
- Modalities
- text
- Input
- text
- Output
- text
Capabilities
Tool calling
No
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 65.5K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
- Max output
- 59K tokens
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
- Knowledge cutoff
- Jan 2025
Source:OpenRouter public model & pricing listingT2observed 7 h agomedium
| Benchmark | Score | Metric | Config | Evaluated | Source |
|---|---|---|---|---|---|
| τ²-bench | 0% | pass^1 | aa_slug=reka-flash-3 · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Artificial Analysis Intelligence Index | 5.65 | index | aa_slug=reka-flash-3 · version=4.3 · estimated=true | — | artificialanalysis.aiT2 |
| GPQA | 52.93% | accuracy | aa_slug=reka-flash-3 · variant=GPQA Diamond · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Humanity's Last Exam | 4.44% | accuracy | aa_slug=reka-flash-3 · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| IFBench | 30.41% | accuracy | aa_slug=reka-flash-3 · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Terminal-Bench | 0% | accuracy | aa_slug=reka-flash-3 · variant=hard · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
Scores are reported as published, with their evaluation configuration (harness, prompting, judge). Results with different configs are not directly comparable — see methodology.
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| OpenRouterrekaai/reka-flash-3 | $0.10 | $0.20 | — | — | 65.5K | 3 h ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- OpenRouter
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history · Context window
Context windowcontext_length3
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 65.5K tokens | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
| 128K tokens | → | superseded | Artificial AnalysisT2 | medium | deterministic |
| 65.5K tokens | → | superseded | OpenRouter public model & pricing listingT2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Reka Flash 3: context length changed from 128000 to 65536
Context window128K tokens→65.5K tokensopenrouterReka Flash 3 scores 4.44% on Humanity's Last Exam
artificial_analysisReka Flash 3 scores 5.65 on Artificial Analysis Intelligence Index
artificial_analysisReka Flash 3: context length changed from 65536 to 128000
Context window65.5K tokens→128K tokensartificial_analysisOpenRouter lists Reka Flash 3 at $0.1 in / $0.2 out per 1M tokens
openrouter
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 3 h ago | 4 |
| Artificial Analysis | artificialanalysis.ai/leaderboards/models | leaderboard | T2· Quality secondary | 5 h ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.